Image obtained from [1] and licensed under public domain. Modified by Wguynes for color, sharpness, and transparency.

The graphic above is a representation of a U.S. military badge, created by the U.S. military and/or the Department of Defense. As a work of the U.S. federal government, this image is in the public domain.

US Air Force Enlisted Rank Insignia

Title: Airman First Class
Paygrade: E-3
NATO equivalence: OR-3
Worn on left and right sleeve, centered between shoulder seam and elbow while bent at 90 degrees.

 For full information on this image, see its image description page on Wikipedia.