Northrop B-2A Published on July 17, 2012 in 17 July 1989Full resolution (1800 × 1253) Next → Northrop B-2A Spirit, 82-1066, the first “stealth bomber”, during a test flight.. (U.S. Air Force)The first Northrop B-2A built (S/N 82-1066). (U.S. Air Force photo)