NATO Communications and Information Systems Services Agency Command, Control, Communications, Intelligence, Surveillance and Reconnaissance (C4ISR) capabilities. The Director of NCSA was accountable to NATO's Consultation, Command and Control Board for executing the general policy decisions, directives and strategy associated with providing CIS services throughout NATO. The Director was also accountable to the Supreme Allied Commander Europe (SACEUR) for all operational, or deployed, CIS assets. In 2007, Canadian Forces internet sources said that NCSA comprised a central headquarters staff co-located with Allied Command Operations at the Supreme Headquarters Allied Powers Europe in Mons, Belgium; two deployable NATO Signal Battalions, each with four deployable communication modules, comparable in size
Supreme Allied Commander Atlantic the principal adviser to the SACLANT on submarine matters and undersea warfare. COMSUBACLANT was an American three-star admiral based in Norfolk, Virginia, who also served as the Commander Submarine Force Atlantic Fleet (COMSUBLANT). Under SUBACLANT were Commander, Submarines, Western Atlantic Area (COMSUBWESTLANT) and Commander, Submarines, Eastern Atlantic Area (COMSUBEASTLANT). COMSUBEASTLANT's national appointment was the Royal Navy post of Flag Officer Submarines. Flag Officer Submarines moved in 1978 from HMS Dolphin at Gosport to the Northwood Headquarters in northwest London. His Second-in-Command was the Deputy Supreme Allied Commander Atlantic: Supreme Allied Commander Atlantic The Supreme Allied Commander Atlantic (SACLANT) was one