The 353 SOG is the United States Air Force special forces contribution to the U.S. Special Operations Command, Pacific (SOCPAC), a subcommand of the United States Pacific Command. The group's origins date to 1944 as the 3rd Air Commando Group. The unit was assigned to Fifth Air Force in the Philippines in 1944 for operations with P-51 Mustangs, C-47 Skytrains, and L-5 Sentinel aircraft. It attacked Japanese airfields and installations in the Philippines, supported ground forces on Luzon, and provided escort for missions to Formosa and the China coast. It also made raids on airfields and railways on Formosa, and furnished cover for convoys. In addition, the group transported personnel, dropped supplies to ground troops and guerrilla forces, evacuated casualties from front-line strips, adjus