Long before Lt. Gen H.R. McMaster took the job as President Trump’s national security adviser, he led 140 men into one of the last major tank battles of the 20th century. Known as the Battle of ...

KURAKHOVE, Ukraine — Before driving into battle in their mud-spattered war machine, a T-64 tank, the three-man Ukrainian crew performs a ritual. The commander, Pvt. Dmytro Hrebenok, recites the ...