The missing US fighter pilot shot down over Iran Friday has an edge over enemies because the search-and-rescue mission is unfolding at night, military experts said. US forces have better night vision and infrared communication technology than combatants in Iran — and darkness will help the pilot remain hidden in the hostile territory, the experts said. “We own the night,” Capt. Ron Alvarado, a retired Marine combat pilot, told The Post. “Hopefully, he or she will be rescued by morning.” “Night