muster out of

muster out

1. To leave or resign from the military. My father served in the Marines for twenty years before mustering out in 1993.
2. To discharge someone from the military. In this usage, a noun or pronoun can be used between "muster" and "out." He sued the Navy after he was mustered out in the late 80's for his sexual orientation. They threatened to muster him out if he revealed the information to the public.
See also: muster, out
Farlex Dictionary of Idioms.

muster out of something

to be discharged from military service. He mustered out of the service before his time was up. I want to know how I can muster out too.
See also: muster, of, out
McGraw-Hill Dictionary of American Idioms and Phrasal Verbs.
See also:
  • muster out
  • serve with
  • serve with (someone or something)
  • discharge
  • discharge (someone or something) from (something)
  • discharge from
  • let (someone or something) go
  • let loose
  • let somebody/something go
  • set (someone or something) loose