New leaked files reveal more about NSA satellite eavesdropping

Newly published documents from Edward Snowden have shed more light on American surveillance operations in the UK. The Intercept details how the NSA and GCHQ used information gathered by Menwith Hill Station, a massive but tightly sealed facility that intercepts satellite data transmissions worldwide. Among other things, the files appear to include evidence that links UK-based surveillance to American anti-terrorism campaigns outside official combat zones.
While many surveillance efforts focus on