Air Force Stealth Sleek and Swift Screensaver - Version 2.1 The Air Force Stealth Sleek and Swift Screensaver shows the F-117 Stealth fighter, the B-2 Stealth bomber, the B-1 Bomber, the SR-71, and the U-2 spy plane. These aircraft represent the latest in stealth technology, the fastest speeds on the planet, and some of the most storied (and unstoried) spy activities in history.