I constructed a supersonic cargo plane, I put 4 commercial airplane engines on the wings, and put 2 jet engines to make the mission quick and smooth. it took me about 50 or so minutes to go from the KSP base all the way to the north pole, I landed my cargo plane on the surface of the snow and slowed down, sadly, the rover I attached to the base got stuck in the plane, also when i was taking off after setting the base down, my tail hit the base and made it go sideways, luckily nothing was damaged. as the sky was getting red and black with the last few lights of the sun, I set up electronic equipment up behind the base. On the first/second day of the operation I set up a flag that jebediah, bill and bob have landed and have no plans of returning. I will let those kerbals work on the north pole for a couple of years (4-8 or even 10 years) and because I have no idea how to land a cargo plane carefully I will land it a few miles away from the base and each kerbal will take turns retreating to the plane. So far So good!