Shield of the  Air Force Recruiting Service of the United States Air Force
Air Force Recruiting Service subordinate components (groups and squadrons) cannot display
unique emblems, but must use the emblem approved October 6, 1954, for the Air Force Recruiting

Service. (AFI 84-105, 1 FEB 2006, paragraph 3.2.1.)
http://www.af.mil/art/mediagallery.asp?galleryID=83
United States Air Force