A U.S. Army Soldier from the 1st Battalion, 124th Infantry Regiment, Bravo Company fires a mortar round Aug. 8, 2016, at Arta, Djibouti. The mortar firing was part of the unit’s training testing their capability to work as a team to identify a target, set-up the cannons, and accurately deploy rounds proficiently. The 1-124 is a guard unit deployed from Cocoa, Fla., to Combined Joint Task-Force Horn of Africa. (U.S. Air Force Air Force photo by Staff Sgt. Eric Summers Jr./Released)

U.S. Army Soldiers from the 1st Battalion, 124th Infantry Regiment, Bravo Company adjusts the trajectory of a mortar launcher before firing a round Aug. 8, 2016, at Arta, Djibouti. The M252 cannon system has a range of 7,500 meters or approximately 4.5 miles. The 1-124 is a guard unit deployed from Cocoa, Fla., to Combined Joint Task Force-Horn of Africa. (U.S. Air Force Air Force photo by Staff Sgt. Eric Summers Jr./Released)

U.S. Army Soldiers from the 1st Battalion, 124th Infantry Regiment, Bravo Company demonstrate procedures for firing a mortar Aug. 8, 2016, at Arta, Djibouti. The training was conducted to ensure the unit remained proficient in using mortar artillery. The 1-124 is a guard unit deployed from Cocoa, Fla., to Combined Joint Task Force-Horn of Africa. (U.S. Air Force Air Force photo by Staff Sgt. Eric Summers Jr./Released)

U.S. Army Spc. Alan George, 1st Battalion, 124th Infantry regiment, Bravo Company, hangs a mortar round before releasing it for deployment Aug. 8, 2016, at Arta, Djibouti. The process of ‘hanging’ a mortar involves holding the mortar round in the launch tube and, once the command of fire is announced, dropping the round in the tube for discharge. The 1-124, a component of Combined Joint Task Force-Horn of Africa, is deployed from Cocoa, Fla., to perform security operations in the region. (U.S. Air Force Air Force photo by Staff Sgt. Eric Summers Jr./Released)

U.S. Army Soldiers from the 1st Battalion, 124th Infantry Regiment, Bravo Company position mortars and set up a perimeter before live-fire training Aug. 8, 2016, at Arta, Djibouti. The unit fired multiple rounds from M224and M252 cannon weapon systems to practice accuracy and teamwork. The 1-124, a component of Combined Joint Task Force-Horn of Africa, is deployed from Cocoa, Fla., to perform security operations in the region. (U.S. Air Force Air Force photo by Staff Sgt. Eric Summers Jr./Released)

U.S. Army Spc. Alan George, 1st Battalion, 124th Infantry Regiment, Bravo Company watches the surrounding area before mortar training Aug. 8, 2016, at Arta, Djibouti. The Soldiers fired rounds from M224 and M252 cannons to practice hitting target areas. The 1-124, a component of Combined Joint Task Force-Horn of Africa, is deployed from Cocoa, Fla., to perform security operations in the region. (U.S. Air Force Air Force photo by Staff Sgt. Eric Summers Jr./Released)