Sea Dart
Leidos low-cost uncrewed undersea vehicle for Navy and commercial missions.
- Unveiled
- Apr 7, 2025
Prime · United States
HQ Reston, United StatesLDOS
Reston, Virginia defense and government technology contractor; prime on Army hypersonic glide body and thermal protection programs.
Leidos low-cost uncrewed undersea vehicle for Navy and commercial missions.
Newest unveiled first. Open a product for its milestone timeline, components and sources.
| Announced | Award | Agency | Type | Program | Obligated | Ceiling | Confidence |
|---|---|---|---|---|---|---|---|
| May 12, 2026 | Unified Common Hypersonic Glide Body and Thermal Protection Shield production contractpress:leidos:2026-05-12:chgb-tps | U.S. Army | Contract | — | — | Up to $2.70B | Confirmed |
| Dec 16, 2022 | Mayhem expendable hypersonic multi-mission ISR and strike systempress:leidos:2022-12-16:mayhem | Air Force Research Laboratory | Contract | — | — | Up to $334M | Confirmed |
| Feb 25, 2022 | Mjölnir high-power microwave counter-drone prototypepress:leidos:2022-02-25:mjolnir | Air Force Research Laboratory | Contract | — | — | Up to $26.0M | Confirmed |
| — | PROCURE COMMERCIAL IT HARDWARE USING THE CHS CONTRACTW15P7T26F0130 | U.S. Army | Contract | — | $4.8M | $4.8M | Confirmed |
| — | PROCURE VOYAGERW15P7T26F0084 | U.S. Army | Contract | — | $43.7M | $43.7M | Confirmed |
| — | PROCURE TACTICAL EDGE COMPUTER KITSW15P7T26F0089 | U.S. Army | Contract | — | $128M | $128M | Confirmed |
| — | PROCURE TACTICAL EDGE COMPUTER KIT AND MOUNT KITW15P7T26F0090 | U.S. Army | Contract | — | $5.3M | $5.3M | Confirmed |
| — | PROCURE DRONE SYSTEM AND ACCESSORIESW15P7T26F0103 | U.S. Army | Contract | — | $4.2M | $4.2M | Confirmed |
| — | PROCURE A COUNTER-DRONE SYSTEMW15P7T26F0107 | U.S. Army | Contract | — | $3.4M | $3.4M | Confirmed |
| — | PROCURE RADIO AND LICENSE BUNDLEW15P7T26F0012 | U.S. Army | Contract | — | $6.0M | $6.0M | Confirmed |
Obligated is what has been committed so far; ceiling is the most the award can reach. Joint values cover all recipients and are excluded from this company’s money totals.
Supports Organization · name, Organization · website
“Leidos. Outsmart. Outdo.”
Leidos · Apr 7, 2025 · Supports System
“announced a new capability from its sea systems team called Sea Dart, a high-performance, low-cost, flexible and adaptable uncrewed undersea vessel (UUV) designed to support the U.S. Navy and commercial customers across a broad range of missions.”
Leidos · May 12, 2026 · Supports Government award, Organization
“has been awarded a $2.7 billion U.S. Army contract to advance hypersonic weapons from prototyping to production. This contract unifies the Thermal Protection Shield (TPS) and Common Hypersonic Glide Body (CHGB) programs”
Leidos · Dec 16, 2022 · Supports Government award
“The Expendable Hypersonic Multi-mission ISR (intelligence, surveillance, and reconnaissance) and Strike program, better known as Mayhem, will span a 51-month period of performance.”
Air Force Research Laboratory (Edwards AFB) · Feb 25, 2022 · Supports Government award
“The $26 million Mjolnir prototype, will use the same technology as THOR, but will add important advances in capability, reliability, and manufacturing readiness.”
Air & Space Forces Magazine · Supports Government award · description
“website notes a canceled contract worth $309.9 million for an Air Force Research Laboratory effort called Mayhem”
USAspending.gov · Supports Government award · ceiling amount, Government award · description, Government award · end on, Government award · obligated amount, Government award · recipient, Government award · start on
“Base and all options value: $6,038,494.00”
USAspending.gov · Supports Government award · ceiling amount, Government award · description, Government award · end on, Government award · obligated amount, Government award · recipient, Government award · start on
“Base and all options value: $43,701,700.00”
USAspending.gov · Supports Government award · ceiling amount, Government award · description, Government award · end on, Government award · obligated amount, Government award · recipient, Government award · start on
“Base and all options value: $128,482,452.00”
USAspending.gov · Supports Government award · ceiling amount, Government award · description, Government award · end on, Government award · obligated amount, Government award · recipient, Government award · start on
“Base and all options value: $5,327,450.00”
USAspending.gov · Supports Government award · ceiling amount, Government award · description, Government award · end on, Government award · obligated amount, Government award · recipient, Government award · start on
“Base and all options value: $4,195,186.53”
USAspending.gov · Supports Government award · ceiling amount, Government award · description, Government award · end on, Government award · obligated amount, Government award · recipient, Government award · start on
“Base and all options value: $3,396,936.00”
USAspending.gov · Supports Government award · ceiling amount, Government award · description, Government award · end on, Government award · obligated amount, Government award · recipient, Government award · start on
“Base and all options value: $4,827,350.00”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.