Navy Tactics, Techniques, and Procedures NTTP 3-07.2.3 Law Enforcement and Physical Security August 2001 NTTP 3-07.2.3, AUG 2011 LAW ENFORCEMENT AND PHYSICAL SECURITY, is a reference for regional commanders, regional security officers, commanding officers, security officers, administrative staffs, and Navy security forces. This publication provides tactics, techniques, and procedures governing the conduct of physical security and law enforcement. It outlines Navy policies and objectives and includes tools to help organize, plan, train for, and implement effective and efficient physical security and law enforcement programs. Although focused on Navy installations, the techniques and procedures within this document have applicability to afloat and expeditionary operations.