found
:
Work cat.: Sweetman, B. Stealth bomber : invisible war plane, black budget, c1989.
found
:
Aviation week and space technology, Nov. 7 '88:
p. 20 ("Air Force/Northrop B-2 ..."); Nov. 21 '88, p. 17 ("...stealth bomber...")
found
:
Ali, S.R. Peace and nuclear war dictionary, 1989:
pp. 240-241.
notfound
:
Quick dict. weapons;DOD dict.