What is NSA "WB Quad System" for GCHQ, Amberwind (PL), TIGERFIRE (IN),
   IBIS (AU, JP), GCSB SSO Site (NZ):
   [1]http://cryptome.org/2014/07/nsa-fy13-semiannual-report.pdf
   This is an NSA travel expenses report. Via Jason Leopold.

References

   1. http://t.co/AoBG9jyuAY