U.S. Army Spc. Joshua Krzemien, an infantryman with

U.S. Army Spc. Joshua Krzemien, an infantryman with Bravo Company, 3rd Battalion, 7th Infantry Regiment, 2nd Infantry Brigade Combat Team, 3rd Infantry Division gives a thumbs up to signal he is ready to walk across an obstacle during Jungle Warfare School in Gabon, June 8, 2016. Soldiers are attending the French Jungle Warfare School as part of U.S. Army Africa's exercise Central Accord 2016, an annual, combined, joint military exercise that brings together partner nations to practice and demonstrate proficiency in conducting peacekeeping operations. (U.S. Army photo by Staff Sgt. Candace Mundt/Released)