Army command Soldiers to fire ceremonial cannons on base Published Jan. 30, 2018 20th Fighter Wing Public Affairs SHAW AIR FORCE BASE, S.C. -- Soldiers from U.S. Army Central command are scheduled to fire multiple ceremonial cannon rounds Feb. 1 to 2, 2018 here. The Soldiers will fire three rounds between 10:00 a.m. and 12:00 p.m. Feb. 1, and 11 rounds between 2:00 p.m. and 3:00 p.m. Feb. 2. The firings are part of a general officer promotion ceremony and are not expected to be heard by the majority of the Sumter community. Questions regarding the incident can be directed to the 20th Fighter Wing Public Affairs office at 20FWPublicAffairs@us.af.mil or 803-895-2019.