This four-page extract from an undated NSA presentation gives an overview of the agency’s FORNSAT operations: see the Intercept article Norway Used NSA Technology for Potentially Illegal Spying, 1 March 2018.
This two-page extract from a longer, undated, GCHQ document describing its presence in Cyprus, states that “Under the ECHELON Agreement, NSA provides 50% of the funding for the SOUNDER Comsat facility”: see the Intercept article GCHQ and Me: My Life Unmasking British Eavesdroppers, 3 August 2015.
This GCSB presentation dated 21 March 2012 shows that the Waihopai listening station’s main target was a satellite based above the Kiribati islands: see the Sunday Star Times article Snowden files: Inside Waihopai’s domes, 8 March 2015.
This presentation, prepared for the Pacific SIGDEV Conference in March 2011 describes the organisation, operations and modernisation of the NSA’s Special Collection Service division, which works out of US embassies and consultates across the world, in tandem with the CI
see the Der Spiegel article The NSA in Germany: Snowden’s Documents Available for Download, 18 June 2014.