With 6x more propellant and 4x the power of today’s Dragon spacecraft, SpaceX was selected to design and develop the U.S. Deorbit Vehicle for a precise, controlled deorbit of the @Space_Station
Looks like there will be 30 draco engines on the back of that thing. Pretty Kerbal!
Edit:
For the strongback, they've made changes in the past, like recently running liquid methane up it for Intuitive Machines, so that shouldn't be too big of a deal.