Parasite carrier is the popularized term. Dunno when this happened."Tender" is more accurate than "carrier" here, as in Destroyer Tender or Submarine Tender.
Likewise we got parasite craft/ship depending on size.
That's a delta v of 302400 m/s !! and for one way at that.Possibly. So we'd need to get creative with food stores. Likely hardtack instead of raw flour, for example. I'm also assuming hydro and/or aeroponics used as both additional oxygen generation, food, and "green space therapy" for crew sanity.
Depends on just how mighty the torch drives are. A drive that makes 0.1m/s/s can push you from Earth to Mars in 35 days. Just a reminder, that's only 1/100 of a gee.
Also note the inner planet area is very dirty aka dense with "dust" and naturally protons etc. from the sun.
At 0.000504 c it's not too dangerous but in time something will hit hart. The armor / radiation protection shouldn't be lacking nor underestimated on their weight. I prefer mainly water combined with metal and composite mixed layers and or any combination thereof.