A crew chief from Whiteman Air Force Base, Mo., marshals in a B-2 Spirit stealth bomber at Whiteman Air Force Base, Mo., Jan. 19, 2017. Two B-2 Spirit stealth bombers returned after flying an approximate 30-hour sortie in support of operations near Sirte, Libya. In conjunction with the Libyan Government of National Accord, the U.S. military conducted precision airstrikes Jan. 18, 2017, destroying two Daesh camps 45 kilometers southwest of Sirte. (U.S. Air Force photo by Senior Airman Joel Pfiester)