Imperial Escort Carrier
Imperial Escort Carrier: The ship looked like a 500-meter box with a small rear protrusion to cover the ship's sublight engines. The escort carrier closely resembled Kuat's Super Transport series of container ships, and was probably derived from their design. A standard Imperial chute system provided for rapid deployment of TIEs and an onboard hangar allowed for minor repairs. The Escort carrier was the smallest vessel that could carry a full wing of starfighters (6 squadrons of up to 72 craft). The ship also carried six shuttles, and could carry four more for each fighter squadron removed.
An excellent tutorial is available on the Shaper and Maker website for making your own custom Imperical escort carrier out of household items: http://maker.e2ogame.net/scratchbuilt-star-wars-ships