> If they don't have their own engines they have no business being a launch provider Until recently, SpaceX was generally the exception as a more vertically in

> If they don't have their own engines they have no business being a launch provider Until recently, SpaceX was generally the exception as a more vertically integrated company that makes their own engines. Not that it is necessarily a better or worse position (although Russian engines is probably the worse position) but it is common for launch providers Delta IV: Aerojet Rocketdyne engines Atlas V: Russian, Aerojet Rocketdyne and Northrup (formerly ATK) engines Pegasus: Okay, this one is all one company now, but that is because Orbital and ATK merged (and then got bought by Northrup) Ariane 5: Safran Aircraft, Snecma