From April to mid-July 1945 the land based air forces in the Ryukyus were commanded by Marine Major General Francis P. Mulcahy. For the assault and capture of Okinawa and Ie Shima, the land based air forces were designated Task Group 99.2 and also known as the Tenth Army Tactical Air Force (Provisional). The ultimate organization and effective dates are listed below. This information is from History of Marine Corps Aviation in World War II, by Robert Sherrod.

Task Group 99.2.1 AIR DEFENSE COMMAND

Marine Air Group 31, 7 April 1945

VMF-223 F4U-1D

VMF-311 F4U-1C

VMF-441 F4U-1C

VMF(N)-542 F6F-5N

Marine Air Group 33, 9 April 1945

VMF-312 F4U-1D

VMF-322 F4U-1D

VMF-323 F4U-1D

VMF(N)-543 F6F-5N

Marine Air Group 22, 21 May 1945

VMF-113 F4U-1D

VMF-314 F4U-1C

VMF-422 F4U-1D

VMF(N)-533 F6F-5N

Marine Air Group 14, 8 June 1945

VMF-212 F4U-4

VMF-222 F4U-4

VMF-223 F4U-4

‍ ‍301 Fighter Wing

318 Fighter Group, 13 May 1945

19 Fighter Squadron P-47 N

73 Fighter Squadron P-47 N

333 Fighter Squadron P-47 N

548 Night Fighter Squadron P-61

413 Fighter Group, 20 June 1945

1 Fighter Squadron P-47 N

21 Fighter Squadron P-47 N

34 Fighter Squadron P-47 N

507 Fighter Group, 30 June 1945

463 Fighter Squadron P-47 N

464 Fighter Squadron P-47 N

465 Fighter Squadron P-47 N

Task Group 99.2.2 BOMBER COMMAND

VII Bomber Command

41 Bomb Group (M), 26 June 1945

47 Bomb Squadron B-25

48 Bomb Squadron B-25

396 Bomb Squadron B-25

820 Bomb Squadron B-25

494 Bomb Group (H), 1 July 1945

864 Bomb Squadron B-24

865 Bomb Squadron B-24

866 Bomb Squadron B-24

867 Bomb Squadron B-24

319 Bomb Group (L), 8 July 1945

437 Bomb Squadron A-26

438 Bomb Squadron A-26

439 Bomb Squadron A-26

440 Bomb Squadron A-26

11 Bomb Group (H), 12 July 1945

26 Bomb Squadron B-24

42 Bomb Squadron B-24

98 Bomb Squadron B-24

431 Bomb Squadron B-24

Task Group 99.2.3 ANTISUBMARINE COMMAND

VMTB-232, 22 April 1945 TBM

VMTB-131, 30 May 1945 TBM

Task Group 99.2.4 PHOTOGRAPHIC UNIT

‍ ‍28 Photo Recon Squadron, 23 April 1945 F-5