missionize

verb

1. (intransitive)To work as a missionary; to do missionary work.
2. (transitive)To do missionary work among (a people) or in (a particular place).
3. (historical, transitive)To teach and to bring under the control of European religion and culture through the mission system, as the Spanish did with Native Americans in their colonies.
4. (transitive)To make suitable for a military (or intelligence gathering, etc) mission.

   “The program will not design a new aircraft but will missionize an existing airframe, most likely a foreign design that is in service around the world.”

   “The Coast Guard will leverage Navy and Air Force relationships to missionize the aircraft and procure spares[…]”