In 1979, LTV received a contract to convert an A-7D to two-seat TA-7D configuration. The TA-7D was a two seat advanced trainer with dual tandem seating, both crewmen being housed underneath a single canopy, the seat in the rear being raised so that the aircraft had a distinct humpbacked appearance. It was given a longer front and rear fuselage. The two-seater had full operational capability and could carry the same weapons that the single-seater could. The aircraft was later redesignated A-7K.
In addition to the prototype, Vought built 30 new A-7K two seaters. Unlike the Navy's TA-7Cs, the USAF's A-7Ks were new builds and were not conversions of earlier single-seaters. Delivery to ANG units began in 1981, and production of the A-7K ended in September of 1984.
79-0460/0471 Ling-Temco-Vought A-7K Corsair II c/n K.001/012. 80-0284/0295 Ling-Temco-Vought A-7K Corsair II c/n K.013/024. 81-0072/0077 Ling-Temco-Vought A-7K Corsair II