Hill fighter squadrons train with Marines Published Feb. 4, 2013 TWENTYNINE PALMS MARINE CORPS BASE, Calif. -- U.S. Air Force F-16 Fighting Falcons from the 466th Fighter Squadron and 421st Fighter Squadron practice air-to-sea maneuvers over the Pacific Ocean Jan. 25 near Miramar Marine Corps Base, Calif. The F-16s flew and trained in support of the Marines Integrated Training Exercise 13-1. Marines participate in the ITX to practice real world scenarios prior to deploying.