In 1949, the US Navy was looking for a tactical assault transport for its Marine Corps units and arrangement were made to diver 8 off the shelf C-119Bs from the USAF to the USMC. These aircraft and the 31 C119Cs that followed were designated R4Q-1s. A small number of these R4Q-1s were operated in Korea during the war before they were replaced by upgraded R4Q-2s/C-119Fs of which58 were acquired. The R4Q-2s were later retrofitted with a nose mounted weather radar. The R4Q/C-119 were twin engines, twin boom transport /paratrooper aircraft equipped with a 36 ft 11 inches long, 9 ft2 in wide, 9ft 10 in in high cargo fuselage with clamshell aft facing doors capable of loading artillery or small vehicles. As a transport 42 troops could be carried, or 35 liters could be used. The main difference between the R4Q-1 and R4Q-2 were the engines used. he R4Q-1/C-119 used. The R4Q-1/C-119F used the R-3350. The R4Q /C119 was a follow-up design of the C-82 and was operated into 1972.