The United States Army had begun to experiment in airborne forces in the years leading up to World War Two. By 1944 it was able to field five Airborne Divisions, which could be augmented by numerous Separate Parachute Infantry Regiments.
Below are links to the files that make up this study. The first is a narrative of the Battalion organization and how it evolved between 1942 and 1945. This includes short appendices on ammunition and communication equipment.
There are then separate files detailing in full the information as found in the Tables of Organization for the unit concerned. This gave the authorised numbers of personnel, transport and weapons for the unit at full strength and in all cases is derived from copies of the original documents. Where they are available details of officially authorised Changes are also included.
All files in the below links are in PDF.