Columns of tanks have arrived in Washington DC ahead of an enormous planned military parade to mark the US Army’s 250th anniversary, which coincides with President Trump’s birthday and Flag Day. A mile-long line of tanks, some of the 150 military vehicles set to take part in Saturday’s parade, arrived in the capital by freight train over the weekend, video shared on X by reporter Benjamin Alvarez shows. M1 Abrams tanks, M2 Bradley and Stryker fighting vehicles, and M109 Paladin howitzers were among the equipment that arrived this past Saturday, ending a 1,300-mile journey from Texas that began on May...