A fictional Military sea ship from the MACROSS series. It first appeared in Choujikuu Yousai Macross.
The CVS-101 Prometheus Super-Large-Scale Semi-Submersible Attack Aircraft Carrier is a type of U.N. Spacy naval ship built as an open-type hangar deck Aircraft Carrier designed to serve as an amphibious launching craft for the VF-1 Valkyrie Variable Fighters. The Prometheus is 0.5 km long. It also serves as the SDF-1's Left Arm.
In real life this vessel was designed by Miyatake Kazutaka in the early 80s.