Captain's Mast Law and Legal Definition
Captain’s mast is a term used in the context of military law. It is defined as the nonjudicial punishment of an enlisted person by a military commanding officer. These types of punishment are usually granted for offenses of minor nature.
The proper procedures for a captain's mast are set forth under items 1 to 6 of R.C.M. 133(b), Manual for Courts-Martial. [Hagarty v. United States, 196 Ct. Cl. 66 (Ct. Cl. 1971)