Navy Air Force refers to the air-based operations of a nation's naval forces. Some synonyms for this term include naval aviation, naval air arm, and naval air service. These terms are used interchangeably to describe the aviation component of a navy, which historically played a critical role in maritime warfare. Naval aviation encompasses the design, development, and operation of aircraft, as well as the training of pilots and aircrew. The Navy Air Force is responsible for providing air support to naval vessels and conducting aerial surveillance and reconnaissance missions. In summary, these synonyms describe the same air power of a navy that is needed to project naval power and protect sea lanes.