Master-at-arms - A Wiki of Ice and Fire
https://awoiaf.westeros.org/index.php/Master-at-armsMaster-at-arms is a position charged with training garrisons, as well as noble children, in fighting skills.[1][2][3] Masters-at-arms are often deadly warriors or knights.[4][5][6] They can provide blunted weapons for training instead of live steel.[7] Masters-at-arms are present at most castles in the Seven Kingdoms, including the Night's Watch,[8] although they are not used by …
Master-at-arms - Wikipedia
https://en.wikipedia.org/wiki/Master-at-Arms A Master-at-Arms (US: MA; UK & some Commonwealth: MAA) may be a naval rating, responsible for law enforcement, regulating duties, security, Anti-Terrorism/Force Protection (AT/FP) for/of a country's navy; an Army officer responsible for physical training; or a member of the crew of a merchant ship (usually a passenger vessel) responsible for security and law enforcement. In some navies, a "ship's corporal" is a position—not the rank—of a petty officerwho assists the master-at …
U.S. Navy Master-at-Arms Careers | Navy.com
https://www.navy.com/careers/master-at-armsMasters-at-Arms in the Navy Reserve serve in an Enlisted role. Before receiving the ongoing professional training that comes with the job, initial training requirements must be met. For current or former military Enlisted servicemembers: prior experience satisfies the initial Recruit Training requirement – so you will not need to go through Boot Camp again.