Shown here four F9F-2 Panther jet fighters roar pass the carrier USS Boxer (CV-21), with dive brakes, landing gear and arrester hooks down, preparing to land on board after returning from a mission over North Korea, 23 June 1951. The planes and their pilots are from Fighter Squadron 721 (VF-721), a Naval Reserve Squadron, formerly based at NAS Glenview, Illinois. USN.