Sangheili Imperial Navy

The , also known as the Sangheili Navy, Imperial Navy, and/or IN, was a component of the military of the Sangheili Empire from 2556 until the mid-27th century. Its role was to perform all extra-atmospheric operations of the military.

Organization
The Imperial Navy utilized a multitude of different units in their operations, including:
 * Armada: the largest unit of the navy. Armadas oversaw entire sectors and operations. For example, one Armada defended the innermost colonies while another patrolled the outermost colonies while others were utilized for rapid strikes. Armadas consisted usually of six to fifteen fleets and an upwards of 10,000 ships.


 * Fleet: the most efficient unit of the navy. Ranging in size from fifty to fifteen-hundred ships, fleets are often used singlehandedly for a campaign of assaults and/or defense of crucial footholds and bases-of-command.