What does the Challenger 2 have in common with the Challenger 1?
Challenger 1: The FV4030/4 Challenger 1 is a British main battle tank (MBT) used by the British Army from 1983 to the mid-1990s, when it was superseded by the Challenger 2. Challenger 2: The FV4034 Challenger 2 is a British main battle tank (MBT) in service with the armies of the United Kingdom and Oman.
British main battle tank