Developed rapidly, the rocket proved successful but was phased out shortly after the end of the conflict.

[4] Over the course of those 23 days, the Naval Air Weapons Station China Lake, located in China Lake, California, developed an improved version of the HVAR, with a new, 6.5 inches (165 mm) shaped-charge warhead replacing the earlier weapon's 5 inches (127 mm) charge.

[4] Despite the haste with which the weapon had been developed, the very first shipment included a full set of documentation and firing tables for the use of the rocket.

[4] In operational service, the RAM was fitted to the F-51 Mustang, F-80 Shooting Star and F4U Corsair aircraft,[9] and it proved to be moderately effective,[2] with the first 150 rockets fired scoring "at least" eight confirmed kills of North Korean tanks.

[10] With the end of the war in 1953, the ATAR was withdrawn from service,[10] improved versions of the HVAR having become available as an alternative.