There’s no sugar-coating this one: the Marine Corps just shared video footage of an ugly day in Kajaki, the district in northern Helmand province that has been the site of some of the Corps’ most violent fighting recently. The following five-minute video was posted to YouTube, showing Marines with 1st Battalion, 6th Marines, out of Camp Lejeune, N.C., taking fire at Patro Base Georgetown. They’re shown engaging insurgent fighters armed with AK47s, sniper rifles and 30mm indirect fire. At least one Marine is hurt by an artillery shell exploding. [HTML1] The base is on the far edge of the Corps’…