Congress’s demand to cease using Russian engines may leave the military dependent on unproven rockets.
The SpaceX Falcon 9 rocket breaks apart after launch from Cape Canaveral, June 28. PHOTO: RED HUBER/ZUMA PRESS
By WILLIAM SHELTON Wall Street Journal June 29, 2015 7:07 p.m. ET 149 COMMENTS
The explosion of an unmanned SpaceX rocket after […]