WordReference Random House Unabridged Dictionary of American English © 2025
frac′tional or′bital bombard′ment sys′tem,
- Militarya missile or satellite with a nuclear warhead sent into a low orbit so that it can suddenly be directed at a target. Abbr.: FOBS, F.O.B.S.
'fractional orbital bombardment system' also found in these entries (note: many are not synonyms or translations):