When United Launch Alliance’s final Delta II rocket deploys NASA ... before its engine lost thrust, sending the rocket crashing back to Earth. Thor exploded on impact with its launch pad.

hence the vehicle was called the Thor-Delta.) Related: Meet the Delta Rocket Family of the United Launch Alliance Three months later, the Thor-Delta deployed Echo IA into orbit, leading to the ...

Last launch ever for Delta IV Heavy, which'll send classified payload into orbit for National Reconnaissance Office national ...

which funds the launch of high-value military and intelligence satellites. It has flown 100 NSSL missions using its Atlas and Delta rocket families, with the final launches for both families ...