Hi Everyone!
Presented here is my illustration of the rank/specialty insignia for a 2nd Lieutenant (O-1), Supply Officer, in the USAF.
The specialty insignia (the crossed keys) was adopted from the USN/USCG rating symbol for Storekeeper.
Chuck
[img]http://i172.photobucket.com/albums/w9/ChuckAnderson_/SupplyOfficerUSAF.jpg[/img]