Cpl. Lucas G. Hubanks (right) with Company G, 2nd Battalion, 24th Marine Regiment shows Cpl. Sang Kyung Park, a machine gunner with 6th Company, 2nd Battalion, 7th Regiment, ROK Marines, how to sight in with the M240B machine gun during Peninsula Express 15-8 in Pohang, Republic of Korea, July 4, 2015. Peninsula Express is the eighth iteration this year of the Korean-Marine Exchange Program and the first time Marine Forces Reserve has participated in the series of exercises between the U.S. and Republic of Korea Marine Corps designed to build interoperability and tactical familiarity between partner nations.