Europe is broadly trying to push up its defense spending with questions over how the U.S. will continue to prop up the continent's militaries swirl.

Witness a dramatic WWII tank battle between the M4A2 Sherman and the German Sd.Kfz. 164 Nashorn in the fight for Grussenheim. On January 26, 1945, during the Colmar Pocket campaign, a French Sherman ...