. >> reporter: jason mallinson is a man on a mission. the global stage, and into a dank cave, he needs the rain gods to hold off one more day. were you growing nervous because of the storm coming? >> i think everybody was on edge because it had rained the night before. >> reporter: chris jewell is another unlikely hero. young and enthusiastic, jewell is taking part in his very first rescue mission. >> the visibility throughout the whole operation was really, really poor. >> reporter: together with two other brits, collectively dubbed the "awesome foursome," they have pulled off a flawless two days of cave rescues. but day three brings complications. >> everybody was like, "hey, we're not gonna be able to continually execute the way we did on day one and day two." >> reporter: the weather is one obstacle. the number of people that still need to come out of the cave -- another. four boys, one coach and four thai military members are still inside. >> on day number three, we had to bring out an extra person. so, in order to do this, jason ma