The sky-scorching, action-packed finale! Cliff is behind enemy lines and face-to-face with a full flying complement of Nazi Rocketmen! As if this wasn’t bad enough, he, along with Peevy and Betty, have to spoil the Nazi’s last dirty trick—an AMERIKABOMBER, a prototype long-range transport, equipped and crammed with a squadron of enhanced Rocketmen, each armed with miniature rocket-propelled bombs…targeting New York!