Delta IV Engine Issue Delays WGS-9 Launch

Credit: WGS satellites
A first-stage engine issue discovered during a prelaunch inspection of United Launch Alliance’s Delta IV Medium+ rocket has set back the launch of the ninth and penultimate U.S. Air Force Wideband Global Satcom (WGS-9) spacecraft. ULA says the flight will now take place “no sooner” than March 14...

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