506th Fighter Group (506th FG)
U.S. Army Air Force (USAAF), 7th Air Force (7th AF)

Background
The 506th Fighter Group (506th FG) was part of the 7th Air Force (7th AF), U.S. Army Air Force (USAAF).

Headquarters Squadron (HQ Squadron)
The Headquarters Squadron (HQ Squadron). On April 24, 1945 arrives North Field (Motoyama No. 3) on Iwo Jima.

457th Fighter Squadron
The 457th Fighter Squadron. On April 24, 1945 arrives North Field (Motoyama No. 3) on Iwo Jima.

458th Fighter Squadron
The 458th Fighter Squadron. On April 24, 1945 arrives North Field (Motoyama No. 3) on Iwo Jima.

462d Fighter Squadron
The 462d Fighter Squadron. On April 24, 1945 arrives North Field (Motoyama No. 3) on Iwo Jima.

References
Stars & Bars (1995) page XXX (506th FG)