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 Commander Atlantic" (SACLANT), and the entire command was usually known as SACLANT. Both Supreme Commander have, until 2009, been American, with a deputy commander from another NATO member, though only British and Germans have held the post. In June 2003, the commands were reshuffled. One command was given responsibility for operations, and one for transforming the military components of the alliance to meet new challenges. In Europe, Allied Command Operations was established from the former Allied Command Europe, and given responsibility for all NATO military operations worldwide. However, for legal reasons, SACEUR retained the traditional title including Europe. In the