Ruggedization is a vast understatement given the energies involved. On top of that, your payload needs to be able to circularize from a negative perigee, so it

Ruggedization is a vast understatement given the energies involved. On top of that, your payload needs to be able to circularize from a negative perigee, so it would need lots of onboard delta-v. You’d also either have an aimable cannon or deal with expensive plane change maneuvers.