99th Airlift Squadron The 99th Airlift Squadron ( 99 AS ) is part of the 89th Airlift Wing at Andrews Air Force Base , Maryland . It operates C - 9 Skytrain II and C - 20 aircraft providing executive airlift . Mission . The mission of the 99th Airlift Squadron is to " Provide unsurpassed safe , comfortable , and reliable DV airlift for our nation ' s leaders and foreign dignitaries ; anytime , anywhere " . The squadron operates specially configured aircraft on Special Air Missions ( SAM ) directed by HQ USAF supporting the President , Vice President , and other US and foreign senior diplomats . Selectively manned aircrews are responsible for the detailed planning and execution of sensitive missions of national and international consequence . The crew establishes direct coordination with numerous agencies to include Headquarters United States Air Force , embassies , and Congressional offices . Crews conduct these global missions isolated from normal supply and command and control structures . The aircrews accomplish Special Air Missions ( SAM ) into unfamiliar airfields , in all weather conditions , with 99 . 5 % reliability and often while the world is literally watching . The crews obtain diplomatic clearances and coordinate all en route support requirements essential to mission accomplishment . Typical missions include supporting Congressional delegations sent to monitor election results in Haiti , shuttle diplomacy missions in the Balkans , missions flown in support of the 50th Anniversary of the United Nations , and the V - E and V - J Day celebrations . The 99th Airlift Squadron routinely conducts First Lady and Air Force Two missions and provides aircrew members to augment Air Force One missions . History . Activated in August 1943 at Sedalia AAF , Missouri as an I Troop Carrier Command C - 47 Squadron . After training in Missouri and later North Carolina , was sent to Baer Field , Indiana for final equipping with aircraft , personnel and other equipment . Deployed to Ninth Air Force in England , assigned to IX Troop Carrier Command in March 1944 during the build - up prior to the Invasion of France . The squadron participated in the D - Day operation , dropping 101st Airborne Division paratroops near Cherbourg , then carried out re - supply and glider delivery missions the following day . The squadron ' s aircraft flew supplies into Normandy as soon as suitable landing strips were available and evacuated casualties to England . On 17 July the air echelon flew to Grosseto airbase in Italy to prepare for operations connected with the invasion of southern France returning to England on 24 August . Squadron moved to France in September 1944 and for the balance of the Northern France Campaign and the Western Allied invasion of Germany was engaged in combat resupply of ground forces , operating from Advanced Landing Ground s in northern France . Delivered supplies to rough Resupply and Evacuation airfields near the front lines , returning combat casualties to field hospitals in rear areas . Demobilized in Germany after the end of the European War , was inactivated at Bolling Field , DC in early 1946 as an administrative organization . Reactivated as a C - 46 Commando reserve transport squadron in 1949 , activated as part of the Korean War mobilization in 1951 . Unit personnel and aircraft were assigned as fillers to active - duty units and the squadron was quickly inactivated afterwards . Reactivated by the new Military Airlift Command in 1966 , replacing the inactivating Military Air Transport Service 1299th Air Transport Squadron . Provided Special Air Mission VIP transport for national leadership , including Presidential transport and foreign dignitaries as required on a worldwide basis .