E7_USAF_MSgt_1967-1991.svg

Description
English: US Air Force Master Sergeant 1967-1991 insignia
Source Vectorized from http://www.uniforminsignia.org/?option=com_insigniasearch&Itemid=53&result=2142
Author US Air Force
Permission
( Reusing this file )
Public domain This image is in the public domain in the United States because it contains materials that originally came from a United States Armed Forces badge or logo. As a work of the U.S. federal government , the image is in the public domain in the United States.