new company will look after the space programs of stratolaunch systems .
this includes plane which has a wingspan of 385 feet -lrb- 117 metres -rrb- .
it will be powered by six 747-class engines during first flight in 2016 .
will initially deliver satellites weighing up to 13,500 lbs -lrb- 6,124 kg -rrb- into orbits between 112 miles and 1,243 miles -lrb- 180 km and 2000 km -rrb- above earth .