Gen. Lee, Sun-Jin, Chairman of the Republic of Korea Joint Chiefs of Staff and Joint Defense Headquarters chief director; and Gen. Curtis Scaparrotti, United Nations Command, ROK/US Combined Forces Command and U.S. Forces Korea commander, listens to Lt. Col Razvan Radoescu, 25th Fighter Squadron commander, brief during a recent visit on Osan Air Base, ROK, Jan. 11, 2016. Lee spoke to Radoescu and the 36th Fighter Squadron commander about fighter capabilities after recent provocative action by North Korea.