B-1 Lancer Screensaver - Version 1.0 The free aircraft screensaver, B-1 Lancer, contains 18 high quality images of the B-1 Lancer bomber. The B-1 Lancer is an American strategic bomber with variable geometry wings. Its orgins began in the 1960s as a supersonic bomber with sufficient range and payload to replace the original B-52 Stratofortress. The B-1B production version has been in service with the United States Air Force (USAF) since 1986.