Lt. Gen. Giovanni K. Tuck, 18th Air Force commanding general, visited U.S. Army Garrison Humphreys (Camp Humphreys) to speak with senior leaders about U.S. Pacific Command Operations Plan at Eighth Army Headquarters, Camp Humphreys, South Korea, Jan 23. Tuck spoke with Lt. Gen. Michael A. Bills, Eighth Army commanding general, in order to understand Eighth Army's unique challenges.