ULA Saga was a Dominant Theme in 2015

摘要

There were several defining themes in 2015, but none matched the drama and intrigue surrounding United Launch Alliance, the Boeing-Lockheed Martin joint venture that once monopolized the U.S. government launch market but now finds itself in a potentially suffocating squeeze between a competitive challenge from upstart SpaceX and a congressional ban on the Russian-made engine that powers its most versatile and economical rocket.