In military telecommunications, electronic support or electronic support measures gather intelligence through passive "listening" to electromagnetic radiations of military interest. They are an aspect
RAF Menwith Hill, a large ECHELON site in the United Kingdom, and part of the UK-USA Security Agreement.
French ship Dupuy de Lôme, specialised in SIGINT
ARA Bouchard (P-51)
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ARA Bouchard is a patrol vessel designed by the French company DCNS for maritime protection missions. She was originally part of the Gowind family of corvettes and patrol vessels but the less military
Offshore patrol ship Adroit, future Bouchard