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" difference between launched and commissioned ships./subs??" Topic


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463 hits since 3 Dec 2017
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Comments or corrections?

wardog03 Dec 2017 1:50 p.m. PST

quick question
example military vessel
ship/sub laid down 1960
launched 1963
commissioned 1965
if necessary could ship be sent into combat on launch date or what kind of additions need to be done before its combat ready?

Bob the Temple Builder03 Dec 2017 2:24 p.m. PST

When a ship is launched, it is still incomplete. Often it still needs armament and other equipment fitted. It then undergoes trials, followed by snagging and more trials. Once that is done and the ship is acceptable, the ship is handed over to the navy, who then put a crew aboard for training etc. It is then commissioned, after which it will need to be worked up. Depending upon the size and complexity of the ship, this can take up to six months or longer. Only then will the ship be combat ready.

Lion in the Stars03 Dec 2017 4:24 p.m. PST

"Laid down" is the date the keel was put into place.

"Launched" is the date the hull was put into the water, but she may not even be completely assembled.


Notice the lack of weapons.

"Commissioned" is when the ship has been accepted into service, after going through a couple sets of sea trials to make sure everything actually works the way it's supposed to.


This pic shows a ship after commissioning, probably on her second voyage according to wiki.

Especially if you're talking about a first-in-class design, it will probably take another 6 months to a year before the crew is combat-ready. If the ship is late in her class and has a bunch of crew that served on other ships of the same class, it will speed things up, but I'd never say a ship was combat-ready less than 3 months after commissioning.

wardog10 Dec 2017 1:22 p.m. PST

thanks guys

StarCruiser13 Dec 2017 7:30 p.m. PST

Going a little further, it's not uncommon for a ship to go through several "commissioning" and "decommissioning" states during it's service life.

A ship that comes back from operations for a refit is usually decommissioned for the duration of the refit process and only recommissioned after trials following that refit.

A ship that goes into "mothballs" (reserve) also is decommissioned until reactivated (usually after another refit).

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