Uncan

There is need of articulation — a combined effort to "uncan the canned goods."

[...] that the can contained the head of a porcupine still affixed to a live and active body. The amused towerman “uncanned” the porky and sent it on its way.

Canning and uncanning procedures will be discussed in general, because as you know each weapon and missile has a specific ordnance publication with detailed canning and uncanning procedures that apply to that specific weapon ...