Vietnam war in-country machine-embroidered patch measures 3.7" by 3", used condition. A valuable addition to your collection of Vietnam war memorabilia items.

During the Vietnam War, VMFA-531 was known as Marine Fighter Attack Squadron 531 and played a role in the conflict as part of the United States Marine Corps. VMFA-531, also known as the "Grey Ghosts," was a fighter squadron that operated from Chu Lai Air Base in South Vietnam.

The squadron flew the F-4 Phantom II, a versatile and widely used fighter aircraft during the war. The F-4 Phantom II was employed in various missions, including air superiority, ground attack, close air support, and reconnaissance.

As part of Marine Aircraft Group 11 (MAG-11), VMFA-531 carried out missions to support ground forces and engage enemy targets in South Vietnam and neighboring regions. Their tasks included providing close air support to troops on the ground, conducting airstrikes against enemy positions, and participating in interdiction missions.