Aircraft carriers don't have to float - they can also fly. The United States Navy's interwar Curtiss F9C Sparrowhawk was a parasitic fighter bi-plane carried by airborne aircraft carriers.
Williams' Hawk had originally been flown by the Curtiss company as a demonstration aircraft. Udet was impressed with the performance of Williams' Hawk, which was powered by a 700hp Wright Cyclone ...
The Central Aircraft Manufacturing Company (CAMCO), founded by American William Douglas Pawley, had assembled a series of Curtiss Hawk II and III fighter planes for the Chinese Nationalist government.