This Day in U.S. Naval History - April 21

1898 - U.S. at war against Spain.

1906 - Commander Robert Peary discovered supposed Arctic Continent did not exist.

1972 - Moonwalk in the Descartes Highlands by CAPT John W. Young, USN Commander of Apollo 16. He was the ninth man to walk on the moon. LCDR Thomas K. Mattingly II, USN was the Command Module Pilot. During the 11 day, 1 hour and 51 minute mission, 213 lbs. of lunar material was collected. Recovery by HC-1 helicopters from USS Ticonderoga (CVS-14)

(Source: Navy News Service)