Operation Scott Orchard was the last major 1st Marine Division operation of the Vietnam War, issued by the 1st Marine Division commander, MG Charles F. Widdecke. The operation began when Marines of 1st Recon Bn. commenced a heliborne assault into abandoned Fire Support Base (FSB) Dagger at 10:45 on 7 April 1971. After the brief firefight, the fire support base was declared secured. The plan was to reopen FSB Dagger in the Quế Sơn mountains by emplacing a provisional composite battery of 105-mm and 155-mm howitzers from the 1st Battalion, 11th Marines (1/11). FSB Dagger was used the previous autumn during Operation Catawba Falls. The intelligence sources from MACV had included reports of American prisoners-of-war were being held at an isolated camp in the mountainous region of the Quảng Nam Province, however no prisoners were found, contact was minimal and only abandoned base camps were discovered. The operation concluded on 12 April, the Marines had killed 4 PAVN/VC and captured 1 and 12 weapons.Many ops missing recon 1971+1973