A US service member was killed in an improvised explosive device blast on Tuesday while on patrol in eastern Afghanistan, the Pentagon announced. There were no other casualties in the blast in the Nangarhar province, Defense Department spokesman Peter Cook said during a Tuesday briefing. The service member was conducting operations with Afghan forces as part of an overall counterterrorism mission against ISIS, according to an Operation Resolute Support statement. The name and specific service has not been released.
Lockheed Martin plans to enter the Advanced Tactical Trainer fray to supply the Air Force with a new jet to bridge between undergraduate flight instruction and fighter training units, but declined to say whether it will offer a T-50A derivative, a different non-developmental airplane, or a clean-sheet design. It's comments…