WORLD: Weapons: Sentinel 37% Over Cost; USAF orders 1,500 SDBs; WC-135 Nuke Sniffer Upgrade.
constant phoenix
The Air Force took delivery on the third and final WC-135R "Nuke Sniffer" aircraft, completing its transition from its two-aircraft WC-135C/W fleet. The aircraft sample the air for particles and gases indicating nuclear activities. There are few missions like it anywhere else in the U.S. ...
