The 4 types of veterans are federally protected veterans (which includes disabled veterans, recently separated veterans, campaign badge veterans, and Armed Forces Service Medal veterans), retired veterans (which includes those who have served at least 20 years and those who are medically retired), combat veterans ( ...

Although "vet" is commonly used as an abbreviation in all English-speaking countries, the occupation is formally referred to as a veterinary surgeon in the United Kingdom and Ireland and now as a veterinarian in most of the rest of the English-speaking world.

The Secretary of Veterans Affairs oversees VA in its mission to provide health, education, disability, funerary, and financial benefits earned by Veterans of the United States Armed Forces.

The noun vet is short for either veteran (of the Armed Forces) or veterinarian (animal doctor). As a verb, vet means "to carefully examine beforehand." For example, your boss might ask you to vet people's applications before calling them for interviews, just to make sure they have the right experience for the job.