Set/3 Vietnam ERA Air Force Navigator CSO Combat Systems Officer 70's 4" patch

Set of 3 Vietnam ERA USAF Air Force Navigator CSO Combat Systems Officer 1960-70's 4" patch - A1137 A Combat Systems Officer (CSO[1]) is a flight member of an aircrew in the United States Air Force and is the mission commander in many multi-crew aircraft. The combat systems officer manages the mission and integrates systems and crew with the aircraft commander to collectively achieve and maintain situational awareness and mission effectiveness. Folded for sewing Patch measures approximate: 3.75" Wide x 1.25" Tall Unfolded Patch measures approximate: 4" Wide x 2" Tall This patch is in excellent condition for its age. Please see the photos for details. Color may vary due to lighting. Don't miss out on this opportunity to own a piece of Vietnam Era conflict history!