Complex sentence: At the last second, Steve realizes that he cannot go back to the States "looking like a Jap" and bundles his charges into a boat and then staying behind to help some Korean prisoners kill some more of the "yellow monkeys".
Split into simpler sentences: At the last second, Steve realizes that he cannot go back to the States "looking like a Jap" and bundles his charges into a boat. He stays behind to help some Korean prisoners kill some more of the "yellow monkeys".