NASA tests TGALS glider-based satellite launch system

NASA tests TGALS glider-based satellite launch system
Gizmag, 14 February 2015
http://www.gizmag.com/nasa-glider-launch-satellites-tgals/36010/

The aim of TGALS is the same as that of ALASA: to create a space launch system for small satellites that replaces the first stage booster rocket with a conventional aircraft. In its current form, ALASA uses a F-15 fighter jet, which provides a lot of speed, altitude, and vertical thrust.