HERO vs Switchblade: A Comparative Technical Assessment of Western Loitering Munition Families

“A U.S. Marine views HERO loitering munitions during Modern Day Marine 2026 at the Walter E. Washington Convention Center, Washington, D.C., April 28, 2026.” (U.S. Marine Corps photo by Sgt. Andrew Hiatt — released via DVIDS, public domain.)

Why This Comparison Now

The Russia–Ukraine war has reordered Western tactical fires. Loitering munitions — sometimes labelled one-way attack (OWA) UAS, or less helpfully ‘suicide drones’ — combine persistent intelligence, surveillance and reconnaissance (ISR) with terminal precision and an abort-or-recommit option that artillery and standard guided munitions cannot match. They sit inside the organic indirect-fires plan now, not in the exquisite-asset queue behind aviation and stand-off missiles.

Two Western families dominate US and allied procurement. UVision’s HERO series (Israeli-origin, US production via Mistral / SAIC partnerships, European licensing through Rheinmetall) is built around multi-domain integration, vehicle-mounted multi-canister launchers and a multi-purpose warhead set. AeroVironment’s Switchblade series leans the other way — single-soldier tube launch, tactical-network integration (ATAK, Nett Warrior), a modular open-systems architecture, and an accumulating combat record from Ukraine. The AV programmatic spine sits on the Lethal Unmanned Systems (LUS) Indefinite Delivery, Indefinite Quantity (IDIQ) contract and the Low-Altitude Stalking and Strike Ordnance (LASSO) programme.

What follows is a tier-by-tier comparison against ten equally-weighted criteria, with named category winners and the reasoning that gets us there. It complements two earlier ISC technical pieces: the April 2026 USMC HERO 120 doctrinal analysis and the early-May 2026 Switchblade 400 LASSO award assessment.^[1][2]

Tier Definitions and a Note on the Limits of Comparison

The HERO 120 sits in an unusual position in this competitive set: it has two distinct AeroVironment competitors operating at different weight and portability points in the same medium-range anti-armour role. The Switchblade 600 Block 2 attacks the HERO 120 mission from the heavier, vehicle- and maritime-launch end; the Switchblade 400 attacks the same mission from the lighter, man-portable, single-soldier-deployment end. The medium tier in this assessment therefore presents HERO 120 against both AV competitors separately, with the recognition that HERO 120 has to win against each on the criteria that matter for that respective doctrinal slot.

Above the medium tier, the HERO 400 occupies a long-range, heavyweight precision-strike role with no AeroVironment equivalent in the same weight band. The Mayhem 10 multi-role launched effect occupies a separate emerging role with no UVision counterpart — but unlike HERO 400, Mayhem 10 sits inside AeroVironment’s own product line as a sister system to Switchblade 400, sharing the airframe and propulsion lineage while differing in role, payload bay and customer fit. Both are profiled here as independent capabilities and are not scored against an absent counterpart; the Mayhem 10 / Switchblade 400 relationship is dissected in detail in the Independent Capabilities section below.

• Small tier (comparable): HERO 30 vs Switchblade 300 Block 20 — man-portable tactical
• Medium tier (comparable, heavier slot): HERO 120 vs Switchblade 600 Block 2 — vehicle- and maritime-launch anti-armour
• Medium tier (comparable, man-portable slot): HERO 120 vs Switchblade 400 — single-soldier-deployed anti-armour
• Independent capability — UVision: HERO 400 — long-range precision strike (110 kg class, 150 km, 2 hr endurance) — no AV equivalent at the same weight
• Adjacent emerging capability — AeroVironment: Mayhem 10 — multi-role launched effect (100 km, 50 min, modular EW / ISR / ITN relay / lethal payloads), sister system to Switchblade 400 sharing airframe and propulsion but built for the multi-role launched-effect slot rather than dedicated anti-armour strike — no UVision counterpart at the same weight band

Consolidated Specifications

All figures are aggregated from manufacturer datasheets, US DoD contract announcements and open-source reporting, and rounded to typical configurations. Where the open record is silent, the field is flagged DATA GAP. Net Explosive Quantity (NEQ), Hazard Division (HD), Compatibility Group (CG), fuze type, and in-flight self-destruct (IFSD) logic are uniformly undisclosed across both families and are not repeated below.

Small Tier

Beyond the line-fight role, both small-tier systems also serve as training carriers. Operators progressing toward the medium-tier anti-armour role — HERO 120 in the HERO line, Switchblade 600 in the AV line — typically build the seeker-handling, hand-off and abort-decision skills on HERO 30 and Switchblade 300 Block 20 first, where a misjudged engagement costs less in money, NEQ and second-order Explosive Ordnance Disposal (EOD) load. That training-progression role is a real factor in mixed-fleet procurement maths: the small-tier round earns its keep partly as a tank-killer in its own right, partly as the training inventory that makes the larger anti-armour rounds employable.

Medium Tier — HERO 120 vs Switchblade 600 Block 2

Medium Tier (continued) — HERO 120 vs Switchblade 400

The Switchblade 400 attacks the HERO 120 mission from a different doctrinal angle. Where HERO 120 expects an organic vehicle launcher (LAV-M, JLTV, LRUSV) and a multi-canister fit-out, Switchblade 400 expects a single soldier with a tablet Fire Control Unit and an under-five-minute set-up. The two systems do not substitute for each other one-for-one — but they compete head-to-head wherever the medium-range anti-armour requirement is being scoped without a vehicle attached. The May 2026 LASSO selection of Switchblade 400 puts that competition on the US Army record.^[2][17]

Independent Capabilities — No Cross-Brand Equivalent

The systems below sit outside the comparable-pair framework. Each occupies a role that the other family does not currently field at the same weight band. They are profiled here as standalone capabilities rather than scored against an absent counterpart — the scoring matrix above covers only the five systems with genuine cross-brand competitors.

HERO 400 — long-range precision-strike (UVision-only)

Mayhem 10 — sister system to Switchblade 400 (AeroVironment, multi-role launched effect)

The relationship to Switchblade 400 needs stating up front. Mayhem 10 and Switchblade 400 are sister systems — the same broad airframe family, the same weight band, the same propulsion class. AeroVironment introduced the Switchblade 400 as a dedicated single-purpose anti-armour loitering munition in autumn 2025; it then unveiled Mayhem 10 on 15 April 2026 at the Army Aviation Association of America (AAAA) Mission Solutions Summit as the multi-role variant of the same lineage. AV’s own framing in the launch press cycle describes Mayhem 10 as “modelled after” and “evolved from” Switchblade 400; one launch-event briefing called it a “sister system” explicitly.^[19] They share aerodynamic and propulsion lineage. They differ in role, payload bay and customer fit, and they are intended to be produced in parallel rather than one replacing the other. The differences that matter for a WOME procurement reader are tabulated below.

Why two products at the same weight band? AeroVironment’s public position, confirmed by Chairman, President and Chief Executive Officer Wahid Nawabi at the AAAA launch and in subsequent press coverage, is that Switchblade 400 and Mayhem 10 will be produced in parallel rather than one replacing the other.^[19] Three reasons sit behind that decision. The first is contractual — Switchblade 400 has the LASSO OTA award and a defined doctrinal slot the US Army has bought into; AV cannot retire that product line unilaterally without breaching the procurement agreement. The second is customer segmentation: a programme buying a single-purpose anti-armour round will resist paying the modular-payload-bay overhead it does not need, and a programme buying a multi-role launched effect will resist the fixed-payload limitations of a dedicated kamikaze. Running both lets AV serve both procurement appetites without compromising either. The third is roadmap optics — Mayhem 10 is positioned as the first system in a new family, much as Switchblade itself evolved from 300 to 600 to 400. AV is building two parallel scaling lines, not converging them.

Is Mayhem 10 a replacement for Switchblade 400? Not on the public record as of May 2026. On AV’s own roadmap they are sister products manufactured concurrently through at least 2027 — Switchblade 400 ramping under LASSO orders, Mayhem 10 ramping from late-2026 Low-Rate Initial Production. Over a longer horizon the question is a fair one: if Mayhem 10 demonstrates that a modular payload bay can carry an anti-armour warhead at competitive cost per strike, the doctrinal slot Switchblade 400 fills could in principle migrate to a Mayhem variant. That migration is not automatic. It depends on (a) US Army willingness to amend the LASSO programme to accept a multi-role airframe in place of a purpose-built anti-armour munition; (b) AeroVironment closing the cost-per-strike question raised in print by industry analysts — the argument that an EW- and ISR-capable airframe is an “expensive multi-role drone wasted as kamikaze” carries weight when the alternative is a simpler, cheaper purpose-built round;^[19] and (c) the wider US Army Launched Effects programme schedule, which is the procurement vehicle Mayhem 10 is really targeting. Until those three things resolve, the rational procurement reading is that AV has two products serving two adjacent slots, with strategic optionality between them — not one product superseding the other.

What this means for the comparison framework. Mayhem 10 still has no direct UVision counterpart at the same weight band — UVision has signalled multi-purpose HERO 400 payload flexibility but not the EW / ITN-relay / decoy / ISR modularity Mayhem 10 ships with, and HERO 400 is in a different weight class entirely (110 kg AUR vs ~18–19 kg). The Mayhem 10 position in this assessment shifts in one respect: it is no longer an independent emerging capability with no obvious AV peer; it is the multi-role companion to Switchblade 400 in the AV family. Procurement teams scoping the medium-tier man-portable slot now have to evaluate two AeroVironment products against the single HERO 120 alternative, not one. The split-verdict logic at the medium tier therefore needs an extra column on the spreadsheet: HERO 120 absolute capability versus Switchblade 400 doctrinal fit (LASSO programme of record) versus Mayhem 10 strategic optionality (modular payload, Launched Effects programme alignment, Mayhem-family roadmap). The per-criterion matrix above does not score Mayhem 10 because the doctrinal slot it was built for has no UVision competitor — that is a deliberate framing choice, not an analytical oversight.

Unique Features — What the Other Family Lacks

HERO — capabilities Switchblade does not publicly replicate

• Multi-domain control hand-off demonstrated in US Marine Corps exercises (Organic Precision Fires — Mounted, OPF-M): land launch → airborne hand-over to a helicopter crew → maritime hand-over to a small surface combatant.^[1]
• Vehicle-mounted multi-canister launchers (four-, six- and eight-cell configurations) on LAV-M, JLTV and LRUSV, enabling organic precision fires at platoon and company level without external aviation or fires-cell dependency.^[1]
• Helicopter air-launch with low-integration burden — HERO has been flight-cleared from rotary platforms in US and allied evaluations.
• Expeditionary Advanced Base Operations (EABO) alignment with USMC Force Design 2030 for distributed maritime / littoral employment.^[1]
• HEDP warhead flexibility — the HERO 120 and HERO 400 multi-purpose warheads combine shaped-charge anti-armour effect with fragmentation against unprotected and lightly-protected targets, including the Rheinmetall HEDP variant supplied through European licensing.

Switchblade — capabilities HERO does not publicly replicate

• Aided Target Recognition (ATR) with on-board edge computing and a pan-tilt electro-optical / infra-red (EO/IR) gimbal, enabling autonomous classification of armoured fighting vehicles (AFVs), light armoured vehicles (LAVs) and trucks — reducing operator cognitive load in time-critical engagements.^[2]
• Single-soldier tube launch with set-up in under five minutes (Switchblade 400) and approximately ten minutes (Switchblade 600), with full backpack portability in smaller variants.^[2]
• Higher terminal sprint speed — Switchblade 600 sprint at 185 km/h (115 mph) reduces target reaction time and complicates counter-UAS engagement.^[7]
• Modular Open Systems Approach (MOSA) architecture, allowing seeker, warhead, propulsion and communications modules to be upgraded without full system replacement — a direct response to the rapid electronic warfare (EW) obsolescence cycle observed in Ukraine.
• Combat-validated programmatic spine — the LUS IDIQ ($990 million, August 2024), the $186 million February 2026 delivery order (first US Army EFP-equipped Switchblade 300 Block 20), and the May 2026 LASSO Other Transaction Authority (OTA) prototype agreement for Switchblade 400.^[2][5]

Scoring Matrix and Category Winners

Each system is scored 1–10 (higher is better) on ten criteria; the aggregate is an unweighted sum out of 100. Scores reflect open-source, manufacturer-supported claims and demonstrated capabilities, not classified performance data.

Criteria: (1) effective range; (2) loiter endurance; (3) warhead lethality and flexibility; (4) portability and rapid deployment; (5) sensor, targeting and autonomy; (6) launch and multi-domain flexibility (tube / vehicle / air / sea, hand-off); (7) low signature and survivability; (8) abort, recommit and safety features; (9) integration, production base and future-proofing (MOSA, US manufacturing, prime contracts); (10) proven combat reliability and data record. Treat the scoring as a starting point, not a verdict — readers should re-weight criteria against their own operational priorities. A USMC Expeditionary Advanced Base Operations (EABO) audience would weight criteria 5, 6 and 7 more heavily and shift the medium-tier verdict further toward HERO 120; a US Army dismounted infantry audience would weight 4, 5 and 10 more heavily and pull the small-tier verdict harder toward Switchblade 300 Block 20.

Per-criterion scoring table — comparable pairs only

The unweighted matrix below sits behind the tier-aggregate scores. It covers the five systems with a genuine cross-brand counterpart at the same weight band or doctrinal slot. Scoring was recalibrated against primary vendor datasheets in v6 of this assessment after an earlier pass under-rated HERO endurance, multi-warhead lethality and multi-domain launch flexibility relative to the AeroVironment alternatives. HERO 400 and Mayhem 10 are profiled separately as independent capabilities and are not scored here.

Reading note: HERO consistently leads on endurance, multi-purpose warhead options and launch flexibility; AeroVironment systems lead on portability, sensor autonomy and combat-validated programmatic spine. The two families optimise for different doctrinal priorities and the per-criterion split makes that explicit before the aggregate.

Small Tier — HERO 30 vs Switchblade 300 Block 20

Medium Tier — HERO 120 vs Switchblade 600 Block 2 (heavier slot)

Insights for Procurement and Force Design

The per-tier verdict is the easier half of this assessment. The harder half — what to do with it — is where the families separate.

On absolute capability HERO leads the competitive set. The recalibrated scoring matrix has HERO 120 winning the heavier medium slot by six points (83 vs 77) and the man-portable medium slot by five points (83 vs 78), with the small tier a tie at 74 each. HERO consistently leads on endurance, multi-purpose warhead options (HEDP plus three-mode fuzing on the 120, MBT-class warhead at 0.5 kg on the 30, replaceable lethality packages on the 400) and launch flexibility (the multi-canister vehicle launchers on LAV-M, JLTV and LRUSV plus demonstrated cross-domain hand-off remain unmatched anywhere in the Switchblade line). Switchblade wins where the doctrinal requirement is portability, autonomy and combat-validated programmatic spine: single-soldier deployment, hybrid ATR with on-board edge computing, the LUS IDIQ contract base and the formal US Army LASSO endorsement on the 400. The Switchblade 400 selection is the clearest current example: AeroVironment did not win that competition because the airframe was technically superior in the round, but because it was the only system in the round purpose-built for the single-soldier mission slot LASSO defined.^[1][2][17]

The layering is already visible in the field. Marine Littoral Regiments and US Army formations are not choosing between the families — they are stacking them. Switchblade 300 Block 20 at the squad level, Switchblade 400 for the man-portable medium-range anti-armour slot opened by the LASSO selection, Switchblade 600 Block 2 at the platoon and company anti-armour level with vehicle and maritime launch, HERO 120 sitting between SB 600 Block 2 and SB 400 as a single round that competes with both AV products from different angles, and HERO 400 in its own long-range stand-off role with no AV counterpart. Within that stack, HERO 30 and Switchblade 300 Block 20 also do double duty as the operator-progression training inventory for the medium-tier anti-armour rounds. Procurement teams should plan for the support, training and ammunition-safety burden of a mixed fleet from the outset rather than retrofitting it later, and should treat HERO 400 and the emerging Mayhem 10 launched effect as standalone capability decisions in their own right — recognising that Mayhem 10 and Switchblade 400 are sister systems running in parallel within the AV line rather than one product replacing the other, so a future force-design pass aiming at the medium-tier man-portable slot will have to evaluate both AV products against HERO 120 instead of one (see the dedicated Mayhem 10 section above for the spec deltas and the procurement rationale for parallel production).

One last point worth flagging for WOME readers: the safety case lags the procurement decision across the whole competitive set. Both families are likely Hazard Division 1.1 (mass explosion hazard) with Compatibility Group D or E, pending official classification release, but NEQ figures, fuze types and IFSD arming logic remain undisclosed across every variant. Operators selecting between or layering these systems should require the manufacturer to disclose — under non-disclosure agreement if necessary — arm-fire device (AFD) design, abort and self-destruct logic, dud / unexploded ordnance (UXO) profile and STANAG 4439 / 4493 compliance status before initial fielding. The multi-purpose warheads (HERO HEDP, Switchblade 300 Block 20 modular) buy flexibility against mixed targets; the tandem-HEAT designs (Switchblade 600, HERO 400 anti-armour option) are built for armour-heavy threats. Picking the wrong warhead family for the threat is a slower failure mode than picking the wrong system family, but a more expensive one once it shows up.

US Production Footprint, Employment and Contract Value

Production base is one of the ten scoring criteria, and over the last twelve months it has moved sharply on both sides of the competitive set. Two new disclosures — AeroVironment’s FreedomWerx facility in Salt Lake City (announced February 2025) and the Mistral / UVision $982 million HERO 120 IDIQ award (October 2025) — redraw the procurement geography in ways the daily news cycle has not yet absorbed.

AeroVironment Switchblade — US manufacturing network

UVision HERO — US manufacturing and partnership network

What the production footprint means for procurement

The headline number is the combined disclosed US Army commitment on the two families: roughly $2.17 billion across the Switchblade and HERO 120 IDIQ contract bases alone, without counting LASSO (undisclosed), the Marine Corps Organic Precision Fires — Mounted (OPF-M) HERO 120 contract base, allied FMS pipelines, or the Bundeswehr’s European HERO commitment via Rheinmetall. The competitive set is no longer two boutique vendors; it is two industrialised production lines competing for the same US Army and US Marine Corps procurement dollar.

Three points stand out for procurement-side readers. The FreedomWerx 14,400-units-per-year target on Switchblade reframes the supply question: the question stops being “can AV deliver the requirement” and starts being “can the US Army absorb that production rate and resource the parallel training, sustainment and ammunition-safety burden.” The Mistral / UVision $982M IDIQ is the first US Army HERO 120 procurement of that scale; until October 2025 the HERO programme was Marine-led and modest in dollars; it is now an Army programme too, on a five-year IDIQ horizon comparable to the AV LUS spine. And the Rheinmetall European licensing means a HERO 120 sustainment and ammunition-safety case developed in the US under Mistral is portable into NATO Europe under the same family commonality — a meaningful interoperability advantage that the Switchblade family does not currently replicate at the same scale.

Data Gaps

NEQ across the competitive set DATA GAP — NEQ figures are not publicly disclosed for any HERO or Switchblade variant; estimates are not possible without warhead geometry and fill composition detail.

Fuze type and IFSD logic DATA GAP — Arming, safety and initiation systems, and in-flight self-destruct arming logic, are uniformly undisclosed.

Hazard Division and Compatibility Group DATA GAP — Likely HD 1.1 with CG D or E given the integrated warhead + propulsion configuration across the competitive set; official classification not confirmed for any variant.

ATR performance DATA GAP — Switchblade ATR classification accuracy against current-generation ERA-equipped targets in contested electronic-warfare environments not publicly disclosed.

HERO HEDP performance DATA GAP — Penetration vs Rolled Homogeneous Armour (RHA) and fragmentation arena-test data are vendor-controlled and not in open release.

References & Further Reading

Source evaluation: NATO STANAG 2022 reliability A–F / accuracy 1–6 applied where applicable.

1. [1] ISC Defence Intelligence. “The Marines’ Quiet Revolution: How HERO 120 Is Rewriting Close Fires Doctrine.” 12 April 2026. integratedsynergyconsulting.com [Reliability B / Accuracy 2]
2. [2] ISC Defence Intelligence. “US Army Selects Switchblade 400 for LASSO Anti-Armour Loitering Munition Programme.” 10 May 2026. integratedsynergyconsulting.com [Reliability B / Accuracy 2]
3. [3] UVision Air Ltd. HERO 30 brochure, 2024 edition (primary vendor datasheet on file). uvisionuav.com/loitering-munitions/hero-30; Rheinmetall AG HERO 30 man-pack portable loitering munition system brochure, rheinmetall.com [Reliability A / Accuracy 1 — primary vendor source]
4. [4] AeroVironment, Inc. Switchblade^® 300 product page. www.avinc.com/solution/switchblade-300 [Reliability B / Accuracy 2 — vendor data]
5. [5] AeroVironment, Inc. “AV Receives $186 Million U.S. Army Delivery Order for Next-Generation Switchblade Systems.” Press release, 26 February 2026. www.avinc.com [Reliability A / Accuracy 1]
6. [6] UVision Air Ltd. HERO 120 brochure (primary vendor datasheet on file): up to 24 kg all-up, 4.5 kg warhead, 60 km range, 60 min endurance, multipurpose / anti-tank warheads, MOSA-compliant. uvisionuav.com/loitering-munitions/hero-120 [Reliability A / Accuracy 1 — primary vendor source]
7. [7] AeroVironment, Inc. Switchblade^® 600 Block 2 Datasheet, version 250923 (23 September 2025). Primary vendor source on file. Munition 16.3 kg, AUR 30.8 kg, 60+ km / 100+ km hand-off, 50+ min endurance, 2-axis 4-sensor gimbal, NVIDIA GPU avionics, M-Code GPS, Silvus MANET, patented wave-off. avinc.com/solution/switchblade-600 [Reliability A / Accuracy 1]
8. [8] UVision Air Ltd. HERO 400 brochure (primary vendor datasheet on file): up to 110 kg all-up mass, 10 kg warhead, 150 km range, 120 min endurance, anti-fortification / anti-tank / multi-purpose options with field-replaceable lethality packages. uvisionusa.com/loitering-munition-systems/hero-400 [Reliability A / Accuracy 1 — primary vendor source]
9. [9] U.S. Marine Corps photograph by Sgt. Andrew Hiatt, “Modern Day Marine 2026,” 28 April 2026, released via Defense Visual Information Distribution Service (DVIDS), image 9646881. dvidshub.net/image/9646881 [Public domain — US Government work]
10. [10] “Huntsville’s AeroVironment awarded $95.9M contract for Army’s Next-Generation C-UAS missile program.” 256 Today, 2025. 256today.com [Reliability B / Accuracy 2]
11. [11] AeroVironment, Inc. “AV Expands U.S. Manufacturing in Salt Lake City, Utah with FreedomWerx.” Press release, February 2025. investor.avinc.com [Reliability A / Accuracy 1]
12. [12] “AeroVironment, UFP Industries Choose Utah, Create 600 Jobs.” Business Facilities, 2025. businessfacilities.com; Area Development, “AeroVironment Plans Salt Lake City, Utah, Manufacturing Operations.” 15 February 2025. areadevelopment.com [Reliability B / Accuracy 2]
13. [13] “AeroVironment to produce 14,400 Switchblades loitering munitions per year in the US.” Army Recognition, 2025. armyrecognition.com; “AeroVironment eyes new factory, drone launches for Switchblade.” Defense News, 13 October 2025. defensenews.com [Reliability B / Accuracy 2]
14. [14] US Army FY 2023 budget estimate documents (Switchblade unit cost). Aggregated open-source pricing reporting via Defense Feeds and HiredDronePilot. defensefeeds.com [Reliability C / Accuracy 3 — unit pricing varies by batch and configuration]
15. [15] Mistral Inc. and UVision Inc. “Mistral Inc. and UVision Inc. Secure a $982 Million Multi-Year IDIQ Contract with the U.S. Army for HERO 120 Loitering Munition.” Press release, 2 October 2025. uvisionuav.com; Army Technology, “US Army awards $982m contract to Mistral and UVision.” army-technology.com [Reliability A / Accuracy 1]
16. [16] ISC Defence Intelligence. “Rheinmetall FV-014 Loitering Munition: Bundeswehr Multi-Billion Euro Framework Contract.” 29 April 2026. integratedsynergyconsulting.com [Reliability B / Accuracy 2]
17. [17] AeroVironment, Inc. Switchblade^® 400 Datasheet, version 250930 (30 September 2025). Primary vendor source. avinc.com/solution/switchblade-400 [Reliability A / Accuracy 1]
18. [18] AeroVironment, Inc. Mayhem^TM 10 Datasheet, version 260403 (3 April 2026). Primary vendor source — multi-role launched effect derived from the Switchblade family. avinc.com [Reliability A / Accuracy 1]
19. [19] Mayhem 10 launch press cycle, April 2026, on AeroVironment’s sister-system positioning, parallel production with Switchblade 400, production rates (LRIP late 2026 at ~10 units/month, full rate ~100 units/month, line capability up to 2,000 systems annually) and the Mayhem 20 roadmap signal. Composite source: AeroVironment Inc. corporate press release “AV Introduces MAYHEM 10: Multi-Role Launched Effects System at AAAA 2026” (BusinessWire, 13 April 2026, businesswire.com); Breaking Defense, “AeroVironment introduces new line of launched effects modeled after Switchblade,” 16 April 2026, breakingdefense.com; DefenseScoop, “AeroVironment launches new Mayhem drone product line,” 15 April 2026, defensescoop.com; FlightGlobal, “AeroVironment unveils new Mayhem line of ‘launched effects’ UAS,” April 2026, flightglobal.com; The War Zone, “Super-Adaptable Mayhem 10 Swarming Drone Evolved From The Switchblade,” 2026, twz.com; counter-view: Defense Express, “AeroVironment’s MAYHEM 10 Makes Same Mistake as Anduril’s Bolt, Expensive Multi-Role Drone Wasted as Kamikaze,” 2026, defence-ua.com [Reliability A–B / Accuracy 1–2 across the composite]

AI-assisted technical assessment based on open-source material and primary vendor datasheets (HERO-30, HERO-120, HERO-400, Switchblade 400 v250930, Switchblade 600 Block 2 v250923, Mayhem 10 v260403). NEQ, fuze type, HD, CG and IFSD logic are DATA GAPs across the full competitive set. Amended 21 May 2026 across five passes: v1 initial publish; v2 Detection Self-Critique humanisation + training-progression doctrinal point; v3 Grok independent fact-review enhancements + US Production Footprint section (FreedomWerx Salt Lake City 500 jobs, Mistral / UVision $982M HERO 120 IDIQ); v4 primary-source datasheet calibration (HERO 30 range 10 km, HERO 120 all-up 24 kg, HERO 400 all-up 110 kg, Switchblade 600 Block 2 16.3 kg munition / 30.8 kg AUR) and structural separation of HERO 400 / Switchblade 400 as independent capabilities; v5 product imagery embedded from vendor datasheets (HERO 30 / 120 / 400 brochures, SB 600 Block 2 v250923, SB 400 v250930, Mayhem 10 v260403) and Switchblade 400 repositioned as a second HERO 120 competitor in the man-portable slot of the medium tier; v6 scoring matrix recalibrated against primary datasheets after a v5 audit identified systematic under-scoring of HERO endurance (HERO 30 30 min vs SB 300 15-20 min; HERO 120 60 min vs SB 600 Block 2 50+ min), HERO 30 multi-warhead options (anti-personnel + anti-materiel + MBT), HERO 120 HEDP warhead lethality (4.5 kg multi-purpose with top-attack dive vs SB 600 Block 2’s 3.17 kg anti-armour payload), and HERO multi-domain launch flexibility (LAV-M / JLTV / LRUSV multi-canister plus helicopter air-launch). New aggregates: HERO 30 74 / SB 300 Block 20 74 (split decision); HERO 120 83 / SB 600 Block 2 77 (clear HERO win, heavier slot); HERO 120 83 / SB 400 78 (HERO wins on absolute specs; SB 400 owns the doctrinal man-portable slot it was purpose-built for); v7 (22 May 2026) Small Tier imagery reworked — HERO 30 vendor brochure render replaced with a real photograph of the HERO 30 launch canister, munition and portable ground control unit at IDET 2019 Brno (Reise Reise via Wikimedia Commons, CC BY-SA 4.0); Switchblade 300 Block 20 placeholder replaced with a real photograph of the Switchblade 300 munition in flight during a 1st ANGLICO exercise at Marine Corps Base Camp Pendleton, 2 September 2020 (U.S. Marine Corps photo by Lance Cpl. Tyler Forti via DVIDS, public domain); v8 (22 May 2026) Mayhem 10 section rebuilt to clarify the sister-system relationship to Switchblade 400 after reader feedback that the v6/v7 framing obscured the shared airframe lineage. Added explicit lineage statement, a Switchblade 400 vs Mayhem 10 side-by-side comparison table, an analytical paragraph on why AV runs both products in parallel (LASSO contractual commitment + customer segmentation + Mayhem-family roadmap), and a calibrated answer to whether Mayhem 10 is a replacement for Switchblade 400 (not on the public record as of May 2026; sister products manufactured concurrently through at least 2027; future migration possible but contingent on US Army programme acceptance, cost-per-strike resolution and Launched Effects schedule). Updated Tier Definitions, the procurement “layering” paragraph and the sidebar aside to reflect the parallel-production framing. New composite reference [19] added covering the April 2026 launch press cycle (BusinessWire AV release, Breaking Defense, DefenseScoop, FlightGlobal, The War Zone, Defense Express counter-view); v9 (22 May 2026) hazard classification notation reconciled to a single technically correct expression after WOME reader feedback that v8 carried two inconsistent statements (one body paragraph said “Hazard Division 1.1 D” with the D appended directly to the HD, implicitly fixing Compatibility Group to D; the Data Gaps section said “HD 1.1 D / CG E” which is internally contradictory because the D in “1.1 D” was already the CG letter). Both occurrences now read “HD 1.1 with CG D or E”, honestly expressing the open-source uncertainty between the two plausible Compatibility Groups for the integrated warhead-and-propulsion configuration common to all variants in the competitive set, pending official classification release. Not a formal intelligence product. Open Source / Unclassified.