Sept. 11, 2021 403rd Wing pays tribute to 9/11 victims, ruck marches in remembrance on 20th anniversary The Air Force Reserve’s 403rd Wing commemorated the 20th anniversary of 9/11 by hosting a Memorial Ruck March today at 8:30 a.m. More than 100 Reserve Citizen Airmen and active duty members from the 81st Training Wing took part in the five-mile trek around Keesler’s flight line to pay tribute to