Navy Junior ROTC cadets launch a tennis ball from their wooden catapult during the NJROTC Science, Technology, Engineering and Math (STEM) seminar at the University of San Diego.
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SAN DIEGO (Jul. 18, 2012) Navy Junior ROTC cadets launch a tennis ball from their wooden catapult during the NJROTC Science, Technology, Engineering and Math (STEM) seminar at the University of San Diego. More than 150 cadets participated in the weeklong college engineering environment July 15-20. (U.S. Navy photo by Mike Miller\Released) File# 120718-N-FO977-164
Aircraft carriers are warships that act as airbases for carrier-based aircraft. In the United States Navy, these consist of ships commissioned with hull classification symbols CV (aircraft carrier), CVA (attack aircraft carrier), CVB (large aircraft carrier), CVL (light aircraft carrier), CVN (aircraft carrier (nuclear propulsion) and CVAN (attack aircraft carrier (nuclear propulsion). The first aircraft carrier commissioned into the United States Navy was USS Langley (CV-1) on 20 March 1922.
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