echelon Meaning and Definition
فوج کو اس طرح تربیت دینا
fouj ko iss tarah tarbiyat dena
1. n. a diffraction grating consisting of a pile of plates of equal thickness arranged stepwise with a constant offset
2. n. a body of troops arranged in a line
ECHELON, originally a secret government code name, is a surveillance program (signals intelligence / SIGINT collection and analysis network) operated on behalf of the five signatory nations to the UKUSA Security Agreement—Australia, Canada, New Zealand, the United Kingdom and the United States, also known as the Five Eyes.
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