1st Satellite Servicing Spacecraft launched.

The robotic Mission Extension Vehicle-1 (MEV-1) was successfully launched atop of Russian Proton rocket from Baikonur Cosmodrome in Kazakhstan.
It is first of its kind commercial satellite-servicing spacecraft. It is designed to dock with aging spacecraft more than 22,000 miles above Earth, then extend its life with aid of solar-electric thrusters.
It was built by Virginia-based company Northrop Grumman.