Explore "Inside Earth" by Poul Anderson on Textopian. Read with annotations and highlights.
Spaceships from Main Base had little trouble coming to Earth with their cargoes of guns, propaganda, instructors, and whatever else the rebels on the planet needed. They would take up an orbit just beyond the atmosphere and send boats to the surface after dark. There was little danger of their being detected if they took the usual precautions; a world is simply too big to blockade completely.
Ours dropped on noiseless gravitic beams into the nighted island woods. We had been watching for it the last few days, and now Eb came running to tell us it was here. The pilot followed after him.