U.S. Marine Corps Awards Greensea IQ $3.7M Contract to Expand Bayonet 250 Autonomous Amphibious Fleet
The U.S. Marine Corps (USMC) has awarded autonomous systems developer Greensea IQ a $3.7 million contract for four additional Bayonet 250 autonomous amphibious vehicles to bolster mine countermeasure capabilities. The Bayonet 250 operates autonomously on land and underwater, detecting and neutralizing underwater explosive devices to reduce risk to personnel. This order expands the LEON program, following a $9 million contract awarded in October 2024.

Highlights
- The U.S. Marine Corps awarded Greensea IQ a $3.7 million contract for four Bayonet 250 autonomous amphibious vehicles to support mine countermeasure operations.
- The Bayonet 250 operates autonomously in both land and underwater environments, using open-architecture software and the Bayonet Workspace mission control system.
- This follow-on contract expands the LEON (Littoral Engineer Reconnaissance) program, building on a prior $9 million USMC contract awarded to Greensea IQ in October 2024.
- Total USMC investment in Greensea IQ's Bayonet 250 program now stands at a combined value of at least $12.7 million across two contracts.
U.S. Marine Corps Awards Greensea IQ $3.7M Follow-On Contract for Bayonet 250 Autonomous Amphibious Vehicles
The U.S. Marine Corps (USMC) has awarded autonomous systems developer Greensea IQ a contract valued at $3.7 million for the procurement of four Bayonet 250 autonomous amphibious vehicles, further strengthening its Mine Countermeasure (MCM) operational capabilities.
Bayonet 250: A Dual-Domain Autonomous Platform
The Bayonet 250 is purpose-built for operations in both land and underwater environments. Without requiring human intervention, the system can autonomously detect and assist in the neutralization of underwater explosive ordnance, significantly reducing the risk to personnel during explosive ordnance disposal (EOD) operations.
The platform's core technology is built on Greensea IQ's proprietary open-architecture autonomy software, integrated with the Bayonet Workspace mission control system. Together, these capabilities enable autonomous navigation and mission execution in complex seabed environments, allowing the vehicle to complete assigned tasks independently.
Continued Expansion of the LEON Program
This procurement is part of the Marine Corps' LEON (Littoral Engineer Reconnaissance) program. In October 2024, the USMC had already awarded Greensea IQ a significantly larger contract totaling $9 million for the Bayonet 250 system.
This latest $3.7 million follow-on order further underscores the U.S. military's growing emphasis on autonomous underwater vehicles for littoral combat and mine countermeasure missions, while also solidifying Greensea IQ's standing in the defense autonomous systems market.
Image credit: Greensea IQ
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