Complex sentence: The agency was formed in 1995 when the Immigration and Naturalization Service and the United States Marshals Service merged their air fleets, the Justice Prisoner and Alien Transportation System (JPATS) transports more than a quarter million prisoners and aliens each year.
Split into simpler sentences: The agency was formed in 1995 when the Immigration and Naturalization Service and the United States Marshals Service merged their air fleets. JPATS transports more than a quarter million prisoners and aliens each year.