The term "Migrant Fleet" refers to a group of spacecraft used by the Covenant, a fictional alien alliance in the Halo video game series. These ships are primarily designed for transporting large numbers of Covenant troops and resources across space. The fleet plays a crucial role in the Covenant's military operations and expansion efforts. In the Halo universe, the Migrant Fleet is often depicted as a mobile base, allowing the Covenant to maintain their presence in various star systems. It consists of various types of vessels, including carriers and transports, which work together to support the Covenant's objectives and ensure their dominance in the galaxy.