Chronology of Main Planning Papers
From 1 January 1944
Date Hq Paper 31 Jan FUSA Planning Directive for OVERLORD 1 Feb Joint Commanders NEPTUNE, Initial Joint Plan 4 Feb Second Army (Br) Outline Plan 10 Feb TF 122, FUSA Joint Agreement for Amphibious Operations 12 Feb V Corps Preliminary 'OVERLORD' Plan 25 Feb FUSA Operations Plan NEPTUNE 28 Feb V Corps Planning Guide, Operation "OVERLORD" 28 Feb ANCXF Operation "NEPTUNE"--Naval Plan 7 Mar 21 AGp Directive to FUSAG 10 Mar SHAEF Directive to 21 A Gp, AEAF, ANCFX 20 Mar Second Army, 83 Joint Plan Group (2d TAF) 26 Mar V Corps NEPTUNE Plan 27 Mar VII Corps Plan of Operation, NEPTUNE 8 Apr 21 A Gp, ANCXF NEPTUNE Joint Fire Plan 10 Apr ANCXF Operation NEPTUNE-Naval Orders (ON) 15 Apr AEAF Operation NEPTUNE-Overall Air Plan 16 Apr 1st Div Field Order No. 35 21 Apr WNTF Operation Plan No. 24 (ONWEST 2) 24 Apr War Office Movement Plan 28 Apr 21 AGp Amended Directive to FUSAG 1 May ANCXF Amendment No. 1 to ON 2 May Ninth AF IX Tactical Air Command Plan for Operation NEPTUNE 6 May 82d Abn Div Field Order No. 6 8 May FUSAG, 9th AF, WNTF Joint Operations Plan, U.S. Forces for Operation OVERLORD (Revised) 9 May VII Corps Field Order No. 1 12 May 4th Div Field Order No. 1 15 May Assault Force U Operation Order No. 3-44 (ON-WEST/U-3)
Date Hq Paper 18 May V Corps Letter of Instruction, Amending NEPTUNE Plan 18 May 101st Abn Div Field Order No. 1 20 May Assault Force O Operation Order No. BB-44 (ON-WEST/O) 27 May FUSA Revision No. 2 to Annex 12 (Fire Suport) 28 May 82d Abn Div Revision of Field Order No. 6 28 May VII Corps Field Order No. 1 (Corrected Copy)
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 Superseded by Operation NEPTUNE--Naval Orders (ON) . All copies ordered destroyed.
 Changes of 4,10, and 22 May and addenda of 29-31 May.
 Changes of 30 May and 1 June.