RAF base.Military cops are probing an incident at RAF Honington in Suffolk, where a young solider in the RAF regiment was allegedly raped with a mortar tube- usually used to fire heavy explosives.A lurid video supposedly showing the rape has been circulated online.While air force bosses insist such ceremonies have never been allowed, the parents of Robert Fleeting said the claims show that the culture in the military must change.Robert, from East Kilbride, was a firefighter in the service and