Vessels (Safety Precautions) Mr. Foulkes asked the Secretary of State for Defence what discussions have taken place regarding safety precautions in relation to possible incidents involving submarines and surface vessels. Mr. Lee As I said in response to a question from the hon. Member for Caernarfon (Mr. Wigley) on 12 February at column 140, procedures relating to the movement of submarines in the waters around the British Isles are kept under regular review.