Commodore, a naval rank between that of captain and rear admiral. The U.S. Navy discontinued the rank in 1899 but reestablished it temporarily during World War II. The rank was reactivated in 1982, but in 1986 the name was changed to rear admiral lower half. An officer holding this rank corresponds to a brigadier (one-star) general in the army or air force.
The T-62 Main Battle Tank was the second generation of Soviet MBTs, based on the T-54/T-55. This tank signaled the end of heavy tanks throughout the world. Learn about the T-62 Main Battle Tank at HowStuffWorks.
The SPAD VII and SPAD XIII fighter planes were highly capable, powerful and popular during World War I. The planes featured cockpits that were cramped and uncomfortable with an unfinished, purely functional look. Read about these classic aircrafts.