The Menwith Hill Station takes a direct role in combat search and rescue (CSAR) operations, processing distress transmissions received from troops and sending them to rescue efforts. The station has successfully aided in the rescue of U.S. personnel in Afghanistan, Pakistan, and Iraq, and participates in CSAR trainings and simulations with U.K. Special Forces.

A brief description of a working group focused on monitoring and helping to exploit virtual private networks, or VPNs. Established in 2004, the working group publishes regular "VPN Target Activity Reports" on dozens of countries and organizations around the world. "These reports may help you exploit targets' VPNs more successfully," the chair of the working group writes.

This undated NSA slide provides the locations of FORNSAT sites run by the agency and its Five Eyes partners worldwide: see the Der Spiegel article The NSA in Germany: Snowden’s Documents Available for Download, 18 June 2014.

These slides from a 2012 GCHQ presentation outline the progress the agency has made in intercepting mobile phone calls made on board commercial aircraft: see the book No Place To Hide, 13 May 2014.