Tags: Military Structure.
Osan Air Base (K-55; Korean: 오산공군기지; Hanja: 烏山空軍基地) is a United States Air Force facility located near Songtan Station in the city of Pyeongtaek South Korea 64 km (40 mi) south of Seoul. Despite its name Osan AB is not within Osan City which is 7.5 km (4.7 mi) to the north. The base is the home of the Pacific Air Forces’ 51st Fighter Wing and a number of tenant units including the headquarters for Seventh Air Force.