Hellcat drone was initially developed and tested by Naval Air Development Unit at Johnsville, Pennsylvania. In this stage they was piloted and painted in some variation of medium to dark blue and bright yellow colors.
During the operation Crossroads in 1946, a fleet of Hellcat drones were used and they was in red orange color with tails in various bright color, and this practice was used to denote frequency. Machines used by Guided Missile Unit 90 was standard Sea Blue Gloss overal and that was the machines used for attack on ground target in Korea in 1952. Drones used in various test in USA was also painted in diaglo color. No matter of primary conversion as drones, some was used later as target tug and in this role they have Sea Blue Gloss fuselage with yellow wings and tail, with red stripes. Hellcat drone are make history in December 1952 when XAAM-2 Sparrow missile destroy one Hellcat and that was first air to air kill done with guided missile.
Special thanks to the Tommy H. Thomason and John Voss for their invaluable help in preparation of this subject.