The other two officers shown are wearing the correct U.S. lapel insignia, however they are worn incorrectly. They have them worn the way the U.S. Army wears their U.S. insignia, the Air Force wears theirs with the US lapel insignia placed halfway up the seam, resting on but not over it. The bottom of the insignia is horizontal with the ground.
The other two officers shown are wearing the correct U.S. lapel insignia, however they are worn incorrect. They have them worn the way the U.S. Army wears their U.S. insignia, the Air Force wears theirs with the US lapel insignia placed halfway up the seam, resting on but not over it. The bottom of the insignia is horizontal with the ground.
United States Officer U.S. lapel insignia that Col. Charles 'Chappy' Sinclair are wearing are the enlisted version, with the U.S. letters surrounded by a silver disk.