The Intruder gba a titun standardized US DOD designation ti A-6A ni Igba Irẹdanu Ewe ti 1962, ati ki o tẹ squadron iṣẹ ni February 1963. The A-6 di mejeeji awọn US Navy ká ati US Marine Corps ká akọkọ alabọde ati gbogbo-ọjọ / night kolu ofurufu lati aarin-1960s nipasẹ awọn 1990s ati bi ohun air tanker boya ni awọn ifiṣootọ KA-6D version tabi nipa lilo ti a buddy itaja (D-704). Whereas the A-6 fulfilled the USN and USMC intruder all-weather ground-attack/strike mission, this mission in the USAF was served by the Republic F-105 Thunderchief and later the F-111, the latter which also saw its earlier F-111A variants converted to a radar jammer as the EF-111 Raven, analogous to the EAW Prowler and USMC-6B.
Ọdún 1963