Based at Geiger Field, WA, in the mid-1950’s, the 9th Air Division controlled the fighter interceptor squadrons of Larson AFB, WA that guarded the skies of Eastern Washington & Oregon, and all of Idaho. They were also in charge of the various radar squadrons in the region.
Of note on this big patch is the Ground Observer Corps watchtower superimposed over the radome. Even in the mid-1950’s, the radar coverage of North America had gaps that still required eyes, and not electronics.
The Jive Bomber 