A member of the Bulgarian land forces and a U.S. Army National Guardsman help another guardsman posing as a casualty while another provides security during military operations in urban terrain training, Aug. 15. Bulgarian Land Forces 4th Artillery Regiment and U.S. Army Tennessee National Guard 1-181st Field Artillery Battalion participated in this training as part of Joint Task Force-East. JTF-E helps build military relationships that are vital to coalition success in contingency operations.