ABOUT Masters-at-Arms (MAs) are the Navy’s security and law enforcement professionals. They perform antiterrorism, force protection, physical security, and police duties both ashore and at sea. MAs may conduct investigations, secure access points, operate patrol watercraft, or supervise specialized K9 teams. Their work is essential to maintaining safety and security across Navy installations and fleet operations. Responsibilities MAs carry out a wide range of force protection and law enforcement tasks, including: Conducting waterborne security patrols and interdiction missions. Performing U.S. Customs inspections and base security patrols. Enforcing aircraft and flightline security requirements. Conducting law enforcement operations and river security missions. Providing protective services for senior government officials and dignitaries. Supervising K9 explosive and narcotics detection operations. Performing physical security inspections and preliminary investigations into UCMJ violations. Organizing and training security force personnel. Operating brigs and managing crime prevention programs. What to Expect Assignments can range from shore stations in the U.S. and overseas to duty aboard ships or deployment within maritime expeditionary security squadrons. Day-to-day duties vary widely depending on tasking and mission requirements. Work Environment Over a 20-year career, MAs typically spend about 60 percent of their time in fleet units and 40 percent at shore-based commands. They often serve in expeditionary environments worldwide, providing land and maritime security in support of Joint Service operations. Training & Advancement After Recruit Training, MAs attend a 10-week “A” School in San Antonio, TX. Training covers antiterrorism procedures, armed sentry techniques, crime prevention, military and civil law, physical fitness, communications, first aid, firearms employment, and physical restraint techniques. Promotion opportunities are strong for highly motivated sailors. Education Opportunities College credits through the American Council on Education Degree programs through the United States Naval Community College (USNCC) Qualifications People-oriented, dedicated, and adaptable Strong writing and speaking abilities with good memory and attention to detail Physical strength, manual dexterity, and comfort working with tools, equipment, and machinery Benefits Health insurance Life insurance Retirement plan
