NSA Systems Abroad Query

What is NSA "WB Quad System" for GCHQ, Amberwind (PL), TIGERFIRE (IN), IBIS (AU, JP), GCSB SSO Site (NZ): <http://t.co/AoBG9jyuAY>http://cryptome.org/2014/07/nsa-fy13-semiannual-report.pdf This is an NSA travel expenses report. Via Jason Leopold.