The United States Air Force's Infrared Space Systems Directorate is located at Los Angeles Air Force Base.
Current and former designations:Rogers, B. (2006). United States Air Force Unit Designations Since 1978. Infrared Space Systems Directorate (2011–present) Space-Based Infrared Systems Wing (197?-2011)
References
External links SBIRSW Fact Sheet Ars Technica: How US Satellites Pinpointed Source of Missile that Shot Down Airliner - July 19, 2014