lets go with merkava tank development to get an insight developmental stages
Date of service:
Merkava I -- 1979
Merkava II -- 1983
-Merkava III -- 1987
Merkava IV --2004
Country: Israel
Type: Main Battle Tank
Dimensions: Length, 7.5 m (22.4 ft); width, 3.7 m (12.2 ft); height, 2.75 m (9...