U.S. Army Command Sgt. Maj. Michael Grinston, left,

U.S. Army Command Sgt. Maj. Michael Grinston, left, command sergeant major of U.S. Army Forces Command, headquartered in Fort Bragg, N.C., discusses rotary wing maintenance operations with U.S. Army National Guard Command Sgt. Maj. Javier Acosta, right, assigned to the 35th Combat Aviation Brigade, headquartered in Sedalia, Mo., Nov. 19, 2018, at the Camp Taji Military Complex flight line in Iraq. The 35th CAB, a part of the international coalition that is assisting in the fight against Daesh and violent extremist ideologies, is the largest U.S. Army aviation organization currently conducting aviation operations in Iraq and Syria. (U.S. Army National Guard photo by Capt. Aaron Shaffer)