7th Squadron, 1st Cavalry Regiment, A Troop Apache patch

7th Squadron (Air), 1st Cavalry was a self-contained Vietnam-era air cavalry squadron, made up of five troops. Headquarters and Headquarters Troop (callsign Kingbird/Blackhawk), Alpha Troop (callsign Apache), Bravo Troop (callsign Dutch Master), Charlie Troop (callsign Sand Piper/Comanche) and Delta Troop (Powder Valley/Dragoon). D Troop (the squadron's armored cavalry troop) participated in successful night ambushes, escorted convoys, search and clear missions and other ground operations until the U.S. 9th Div was withdrawn from Vietnam.