The Air Force plans to award Lockheed Martin a sole-source procurement to continue work on the re-entry vehicle for the Ground Based Strategic Defense system's nuclear warhead, according to a notice released Tuesday. Under the contract, Lockheed Martin will advance to the engineering and manufacturing development and production and deployment phase of the Mk21A re-entry vehicle, modification of the legacy Minuteman III’s Mk21 that will carry the GBSD’s new W87-1 warheads . The Air Force completed a preliminary design review...
