According to Guardian 20130630 The eavesdropping of the Greek UN mission was known as 'Powell"

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Date	Source	Title	Tags
20130630	guardian.co.uk	New NSA leaks show how US is bugging its European allies - Exclusive: Edward Snowden papers reveal 38 targets including EU, France and Italy	NSA / DROPMIRE / EU / FR / IT / GR / JP / MX / KR / IN / TR / PERDIDO / BLACKFOOT / WABASH / BRUNEAU / HEMLOCK / POWELL / KLONDYKE

POWELL