in commission

in commission

1. In service; in functional operating order. After three weeks in the shop, my car is finally in commission again.
2. Of a Navy vessel, manned, armed, and in condition for active service. Also phrased as "into commission." The new capital ship went into commission this Friday after a ceremonial launch. The cruiser is the oldest vessel still in commission in the entire Navy's fleet.
See also: commission
Farlex Dictionary of Idioms.

in commission

see under out of commission.
See also: commission
The American Heritage® Dictionary of Idioms by Christine Ammer.

in/out of comˈmission

available/not available to be used: Several of the airline’s planes are temporarily out of commission and undergoing safety checks.
See also: commission, of, out
Farlex Partner Idioms Dictionary

in commission

1. In active service. Used of a ship.
2. In use or in usable condition.
See also: commission
American Heritage® Dictionary of the English Language, Fifth Edition.
See also:
  • commission
  • in/out of commission
  • in working order
  • patch up
  • weaker vessel
  • bring (something) into service
  • bring into service
  • put (something) in service
  • put in service
  • wear well