The head of Air Force Space Command (AFSPC) expects contract awards for the service’s new rocket propulsion system in the next two months and “possibly sooner.”Air Force Gen. John Hyten told reporters Tuesday the service is in source selection for its indigenous propulsion system, an effort to get off the Russian-developed RD-180 that currently powers a majority of the Air Force’s launches. The fiscal year 2015 National Defense Authorization Act (NDAA) bans use of the engine beyond 2019.Hyten also warned…
