Aerojet Rocketdyne has signed a contract to provide rocket engine’s for the upper stage of Stratolaunch’s air-launched rocket.

The competition heats up: Aerojet Rocketdyne has signed a contract to provide rocket engine’s for the upper stage of Stratolaunch’s air-launched rocket.

This company press release is packed full of new information about Stratolaunch’s rocket. For one, the entire package has been named the Eagles Launch System, with the air-launched upper stage called Thunderbolt. For another, they have a scheduled launch date set for 2018.