U.S. Army Capts., Julia Brigman, left, and Krista Wellein,

U.S. Army Capts., Julia Brigman, left, and Krista Wellein, 28th Combat Support Hospital registered nurses, prepare to screen patients during an influenza vaccination drive at the 28th CSH near Baghdad, Iraq, Nov. 9, 2016. The 28th CSH influenza vaccine campaign inoculated over 300 Service members and was an important public health effort to maintain the health of Coalition forces working to weaken and defeat Islamic State of Iraq and the Levant. Combined Joint Task Force-Operation Inherent Resolve is a multinational effort to weaken and destroy Islamic State in Iraq and the Levant operations in the Middle East region and around the world. (U.S. Army photo by Capt. Erick Thronson)