The America-class amphibious Assault ships, which belong to the Landing Helicopter Assault (LHA) category, are designed to serve as a platform for air support forces in U.S. amphibious landing operations. The first two, called Flight 0, will have huge hangars, ammunition depots and maintenance facilities. Focus on the intensification of aviation force; The next three, called Flight 1, will have a different design concept and construction, reducing the size of the bridge to free up hangar space and retaining a small dock structure, seeking a better balance between air and surface warfare capabilities.