Administration officials celebrate the dismantlement of the final B53 nuclear bomb in the US inventory. Retired in 1997, the Cold War-era bomb, which was about the size of a mini-van and weighed some 10,000 pounds, was carried by B-47, B-52, and B-58 bombers.
Sikorsky is pitching a modified "U-Hawk" version of older UH-60 Black Hawk series helicopters as autonomous resupply aircraft with additional capabilities as missile or drone swarm launchers.
