The following Order of Battle for U.S. Army units in the First Philippine Campaign in World War II is a preliminary one. It is believed to be as complete and as accurate as available records permitted, but in view of the gaps in the surviving records, it is known to be defective. It is issued in this form for criticism, correction, and amplification.

Draft manuscript of Chapter 2, first Philippine campaign -- United States Army Forces in the Far East (USAFFE) -- United States Forces in the Philippines (USFIP).

Introduction -- Philippine Department -- Office of Military Advisor -- The Philippine Army and Constabulary -- Headquarters, USAFFE and USFIP -- Tactical Units under USAFFE-USFIP (to Divisions) -- Administrative and Service Units under USAFFE-USFIP -- Divisions -- Commanders of Tactical Units Below Divisional Level -- Directory of Units.