US Navy moves W93 nuclear warhead into development phase

The US Navy's W93/Mk7 nuclear warhead program has entered the Engineering and Manufacturing Development (EMD) phase after reaching Milestone B. It is the first new US nuclear warhead and reentry body in nearly four decades; no schedule, cost or deployment date was disclosed.

• W93/Mk7 program reached Milestone B and entered EMD phase
• First new US nuclear warhead in nearly four decades
• Work involves PAE SSP, NNSA and national laboratories
• No production schedule, cost or deployment date disclosed