Construction Battalion Detachment (CBD) 1058 was formed from "screening Camp Peary and the NCF for geologists, petroleum engineers, oil drillers, tool pushers, roustabouts and roughnecks" and later designated 1058. Additional personnel were chosen for their arctic experience with CBs 12 and 66. They mustered at Camp Lee Stephenson for Operation Pet 4. Congress put $1,000,000 aside to wildcat for oil in U.S. Navy Petroleum Reserve No. 4(NPR-4) in 1944. NPR-4 had been created and placed in the oil reserve in 1923. Today NPR-4 is the National Petroleum Reserve in Alaska. The detachment's mission was: