U.S. Army National Guard Sgt. Ashley Mullin, a medic

U.S. Army National Guard Sgt. Ashley Mullin, a medic with the Oregon National guard 741th Brigade Headquarters and Headquarters Company, demonstrates CPR techniques to U.N. Peacekeepers from Rwanda as part of Exercise Shanti Doot 4 in Bangladesh. Shanti Doot 4 is a multinational United Nations peacekeeping exercise with more than 1,000 participants from more than 30 countries designed to provide pre-deployment training to U.N. partner countries in preparation for real-world peacekeeping operations. (U.S. Marine Corps photo by Lance Cpl. Adam Montera)