This, plus Computronics tapes, is my new backup system. hands down.
they didn't call tar files Tape ARchive for no reason.
(BTW, there is a lua version of DEFLATE out there, maybe .tar.zip could become a thing for OC?)
Computronics is still compatible with OC, and will be so for the foreseeable future.
My own solution to your problem is to have a tablet and a drone with the same navigation upgrade, and use the tablet as sort of a "GPS" for the drone.