Final answer:
The USS Harry S. Truman is an aircraft carrier, which is a large naval vessel that functions as a mobile airbase for deploying and recovering aircraft.
Step-by-step explanation:
The USS Harry S. Truman is an aircraft carrier. Aircraft carriers like the USS Harry S. Truman are large naval vessels that serve as seagoing airbases. They are equipped with a full-length flight deck capable of carrying, deploying, and recovering aircraft.
The history of aircraft carriers dates back to the early 20th century and they have been pivotal in naval operations ever since. For example, during World War II, a well-known aircraft carrier, the USS Hornet, launched B-25 bombers to carry out the Doolittle Raid over Tokyo. This showcases the strategic importance of aircraft carriers in modern naval warfare.