India urged to focus on upgrades . USAF seeks further KC-135 modifications
Flight international ; 155 , 4661
1999
Aufsatz (Zeitschrift)
Englisch
Welt , Zeitschrift , Luftverkehr , Mechanik , Luftfahrt
USAF seeks NBC warhead . UK considers Sea Harrier modifications
Online Contents | 1999
Online Contents | 1995
USAF seeks greater versatility
Tema Archiv | 1972
|USAF seeks post-JAST technologies
Online Contents | 1994
Online Contents | 2000