The Joint Assault Bridge (JAB) is designed to lay bridges over water and other obstacles. The JAB ensures that Army units always have a portable bridge handy capable of handling the weight of tanks.

The M60 series of tanks was part of an evolution that began in the closing days of World War II. The tanks steadily improved and soldiered on, in their final form, until the advent of the M1 Abrams.

As part of a $400 million military assistance package announced on March 3, the United States is supplying Ukraine with its first M60 Pattons, a classic American Cold War tank. But while regular M60s ...