Galaxy was deployed to the Starfleet Fifteenth Fleet during at least the 2380s. (15th Brigade SFMC Alert Roster) The 911th was assigned to the 3rd Battalion of the 15th Brigade of the Starfleet Marine Corps. (15th Brigade Units) (Citation needed) The 911th — known as the "The Fighting Protectors" — was an aerospace/special operations unit. The unit motto was "Let's Roll." In 2385, the 911th's OIC was Colonel Thomas Carroll. (Citation needed)