All Falcon 9 rockets launched today use a design called block-four — a ... Surprisingly, the engine was not being purposefully ignited when it exploded: According to the company source, the ...

On Sunday, one of SpaceX's Merlin engines exploded at a test facility in Mcgregor ... The engine being tested was one of SpaceX's Block 5 engines, the upcoming engine model to replace the current ...

The block 5 Falcon 9 will have higher thrust on all of the engines and improvements on landing legs compared to the block 4 Falcon 9 Full Thrust. There are also a number of small changes to streamline ...