Certification Process Slows SpaceX's Market Push.

The article focuses on the slowdown of the certification process at the spacecraft maker Space Exploration Technologies (SpaceX). Topics discussed include delay in the certification for the Falcon rocket from the U.S. Air Force; views of Samuel Greaves form the Space and Missile Systems Center (SMC), on the certification in SpaceX; and notions of John Hyten from Air Force Space on the certification delay.