A. U.S. Army Soldier assigned to the Combined Joint Task Force - Horn of Africa, jumps to a pole during the mountain obstacle portion of the French Desert Commando Course held at Arta, Djibouti, Dec. 3, 2017. Thirty U.S. service members participated in the obstacle course alongside French marines assigned to the 5th Overseas Interarms Regiment, Djibouti. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

A U.S. Army Soldier assigned to the 3rd Battalion, 144th Infantry Regiment Task Force Bayonet, attached to the Combined Joint Task Force - Horn of Africa, observes a teammate swing to a cargo net during the mountain obstacle portion of the French Desert Commando Course held at Arta, Djibouti, Dec. 3, 2017. Thirty U.S. service members participated in the obstacle course alongside French marines assigned to the 5th Overseas Interarms Regiment, Djibouti.(U.S. Air Force photo by Staff Sgt. Timothy Moore)

A U.S. Army Soldier assigned to the 3rd Battalion, 144th Infantry Regiment Task Force Bayonet, attached to the Combined Joint Task Force - Horn of Africa, climbs across a beam during the mountain obstacle portion of the French Desert Commando Course held at Arta, Djibouti, Dec. 3, 2017.Thirty U.S. service members participated in the obstacle course alongside French marines assigned to the 5th Overseas Interarms Regiment, Djibouti. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

A. U.S. Army Soldier assigned to the Combined Joint Task Force - Horn of Africa, jumps to a pole during the mountain obstacle portion of the French Desert Commando Course held at Arta, Djibouti, Dec. 3, 2017. Thirty U.S. service members participated in the obstacle course alongside French marines assigned to the 5th Overseas Interarms Regiment, Djibouti. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

A. U.S. Army Soldier assigned to the Combined Joint Task Force - Horn of Africa, crawls across suspended wires during the mountain obstacle portion of the French Desert Commando Course held at Arta, Djibouti, Dec. 3, 2017. Thirty U.S. service members participated in the obstacle course alongside French marines assigned to the 5th Overseas Interarms Regiment, Djibouti. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

A U.S. Army Soldier assigned to Combined Joint Task Force - Horn of Africa swings to a cargo net during the mountain obstacle portion of the French Desert Command Course held at Arta, Djibouti, Dec. 3, 2017. Thirty U.S. service members participated in the obstacle course alongside French marines assigned to the 5th Overseas Interarms Regiment, Djibouti. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

A U.S. Army Soldier assigned to the 3rd Battalion, 144th Infantry Regiment Task Force Bayonet, attached to the Combined Joint Task Force - Horn of Africa, jumps from one platform to another during the mountain obstacle portion of the French Desert Commando Course held at Arta, Djibouti, Dec. 3, 2017.Thirty U.S. service members participated in the obstacle course alongside French marines assigned to the 5th Overseas Interarms Regiment, Djibouti. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

U.S. service members assigned to the Combined Joint Task Force - Horn of Africa, navigate various mountain obstacles during the French Desert Commando Course held at Arta, Djibouti, Dec. 3, 2017. Thirty U.S. service members participated in the obstacle course alongside French marines assigned to the 5th Overseas Interarms Regiment, Djibouti. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

U.S. Army Soldiers assigned to the 3rd Battalion, 144th Infantry Regiment, Task Force Bayonet, attached to the Combined Joint Task Force - Horn of Africa, pose for a photograph at the start of the mountain obstacle portion of the French Desert Commando Course held at Arta, Djibouti, Dec. 3, 2017. Thirty U.S. service members participated in the obstacle course alongside French marines assigned to the 5th Overseas Interarms Regiment, Djibouti. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

U.S. Army 1st Lt. Nicholas Bergam, Spc. Richard Baker, and Sgt. Kyle Parrin, all assigned to Combined Joint Task Force - Horn of Africa (CJTF-HOA), and French marines assigned to the 5th Overseas Interarms Regiment stand in line to receive their French Desert Commando Course pins during the graduation ceremony near Ali Sabieh, Djibouti, Dec. 7, 2017. The Soldiers and marines received special recognition as honor graduates of the course. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

U.S. Army Sgt. Able Ballejo (right), assigned to 3rd Battalion, 144th Infantry Regiment, Texas Army National Guard, explains why the U.S. flag appears backwards on a traded patch to a French marine after the graduation ceremony of a French Desert Commando Course near Ali Sabieh, Djibouti, Dec. 7, 2017. U.S. service members assigned to Combined Joint Task Force - Horn of Africa participated in the 12-day course, in which they learned the fundamentals of desert combat, survival, and troop movements while also bridging language and cultural barriers between French and American troops. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

U.S. Army Lt. Col. Ross Walker, commander of 3rd Battalion, 144th Infantry Regiment, Task Force Bayonet, and Command Sgt. Maj. Clinton Petty, Task Force Bayonet command sergeant major, congratulate graduates of the French Desert Commando Course near Ali Sabieh, Djibouti, Dec. 7, 2017. U.S. service members assigned to Combined Joint Task Force - Horn of Africa participated in the 12-day course, in which they learned the fundamentals of desert combat, survival, and troop movements while also bridging language and cultural barriers between French and American troops. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

U.S. Army Sgt. Able Ballejo (right), assigned to 3rd Battalion, 144th Infantry Regiment, Task Force Bayonet, attached to Combined Joint Task Force - Horn of Africa (CJTF-HOA), trades patches with a French marine after the graduation ceremony of a French Desert Commando Course near Ali Sabieh, Djibouti, Dec. 7, 2017. U.S. service members assigned to CJTF-HOA participated in the 12-day course, in which they learned the fundamentals of desert combat, survival, and troop movements while also bridging language and cultural barriers between French and American troops. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

U.S. Army Command Sgt. Maj. Clinton Petty (center), command sergeant major of the 3rd Battalion, 144th Infantry Regiment, Task Force Bayonet, attached to Combined Joint Task Force - Horn of Africa (CJTF-HOA), calls out serial numbers for French Desert Commando Course pins after the course graduation ceremony near Ali Sabieh, Djibouti, Dec. 7, 2017. Each service member, all of whom are assigned to CJTF-HOA, received a pin that was specifically designated to him for graduating the 12-day course. During the course, they learned the fundamentals of desert combat, survival, and troop movements while also bridging language and cultural barriers between French and American troops. (U.S. Air Force photo by Staff Sgt. Timothy Moore)

A U.S. Army Soldier assigned to Combined Joint Task Force - Horn of Africa (CJTF-HOA) looks at his French Desert Commando Course pin after the graduation ceremony near Ali Sabieh, Djibouti, Dec. 7, 2017. U.S. service members assigned to CJTF-HOA participated in the 12-day course, in which they learned the fundamentals of desert combat, survival, and troop movements while also bridging language and cultural barriers between French and American troops. (U.S. Air Force photo by Staff Sgt. Timothy Moore)