 Shortly thereafter , he " was sent to Quantico for training in the curriculum of the Aviation Ground Officer 's School , " and was soon producing " posters and patriotic images from a government office in Philadelphia . " His most famous image from this time is " Marines at Prayer , " which " was destined to become a well @-@ known and well @-@ circulated image of Marines on a battlefield pausing for worship . " Raymond also " designed the official 1944 Marine Corps Christmas card . " Desiring " to get closer to the action , " he then trained at the Marine Corps Air Station in Santa Barbara before serving in the Pacific Ocean theater " on the 1945 cruise of the escort carrier USS Gilbert Islands . " Treated by his fellow marines ( who had been raised on Flash Gordon ) as a celebrity , he was nonetheless seen as " a down @-@ to @-@ earth fellow , " and well liked . He saw " a period of intense combat in June 1945 , " and was " made an honorary member of VMTB @-@ 143 in August 1945 . " Raymond had , in May 1945 , designed a squadron patch for the men of VMTB @-@ 143 , after which the " squadron adopted the new name ' The Rocket Raiders ' . " 
