The top secret URSALA, RAQUEL, and FARRAH satellites
Summary
The Space Review article covers the top secret URSALA, RAQUEL, and FARRAH satellites, detailing their evolution from hitchhiker subsatellites to tactical ELINT assets, the management by SAFSP and the NRO, and the development of RTIP and TENCAP that brought signals intelligence into battlefield use. It also discusses launch histories, lifetimes, frequency coverage, and the transition from shuttle to Titan launches, with declassification progress and the ongoing legacy of Mission 7300.