An upgraded version of the M4 Sherman, the Sherman Calliope has a mounted rocket projector rack on top of its existing turret. Designed to lay down a barrage of deadly fire, the Sherman Calliope is ...

President Joe Biden was among the dignitaries in Normandy, France, on Thursday to mark the 80th anniversary of the World War II D-Day invasion. On June 6, 1944, Allied forces launched Operation ...