Coll/### - United States Navy

F-14: addressing improved engine X/522. F-14A: has new engine for greater thrust and maneuverability to meet threats projected for 1980s R/1190. F-14/F-18: problems keeping aircraft operational. Navy philosophy not to slow down transition from R&D to production but not to build up early production rate as rapidly as was done with the F-14. ................
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