Video: Time lapse of ATV’s final departure from ISS

An Ariane 5 rocket took off on a rare morning launch Thursday with four Galileo navigation satellites, the heavy-lifter’s first flight in support of the European positioning and timing fleet. Liftoff from French Guiana occurred at 1306 GMT (8:06 a.m. EST).

A Russian-made Soyuz rocket was launched from Europe’s space base in French Guiana on Monday at 2102 GMT (6:02 p.m. local; 5:02 p.m. EDT) with the Sentinel 1B environmental satellite.

Sierra Nevada Corp. has business activity across a spectrum of programs, from Orbcomm communications satellites to parts on the New Horizons mission to Pluto, but all eyes are now on the company’s Dream Chaser spacecraft. Sierra Nevada’s Mark Sirangelo met with reporters at the 2015 International Symposium for Personal and Commercial Spaceflight.