Two survivors are on board, Iris and Colonel O'Bannion, the latter's arm is covered with a strange growth. After landing they spend several minutes looking out viewports and describing the sights to us, then Iris sees a scary face in the window and screams. The Pentagon has screen doors. A rocket landing looks just like a rocket taking off, except in reverse. Shifting desert sand dunes make excellent landing pads.
Earth is orbited by deadly radioactive meteorites.
Palm trees grow on Mars. If it looks like a carnivorous plant then it probably is a carnivorous plant. Having your eyes flash frozen sucks. Nobody likes us. That is a darn roomy spaceship.