FamilySearch has a record collection of the Louisiana First Registration Draft Cards between 1940 and 1945. These are draft registration cards covering a special classification of individuals born between February 17, 1897 to 1928.
Ancestry has a record collection of registers of U.S. military personnel stationed in the United States. The majority of this collection covers U.S. Army and Navy personnel, though lists for the Air Force, Marine Corp, National Guard, and the Reserves are included as well.
Happy ancestor hunting.
FamilySearch.org Record Collections
|Louisiana, First Registration Draft Cards, compiled 1940-1945||399,839||*10 Jun 2015|
Ancestry.com Record Collections
|U.S., Select Military Registers, 1862-1985||Military||4,783,216||Updated|