Four-year mission

Four-year missions were a type of long-term exploratory missions conducted by Starfleet.
In an alternate timeline, the under the command of Captain Harry Kim was sent on a four-year mission from 2400 to 2404. His absence caused Captain Kim to miss several social events back home. ()
== See also ==
* Five-year mission
* Eight-year mission
Category:Missions and expeditions
Category:Starfleet
Category:Alternate timelines