Pair of Alien Bounty Hunters armed with TL9 Plasma Blaster Carbines, will only blast small hairy things unless disturbed.
The party comes upon an underground chamber, with an enormous, warm metal statue inside. Inscribed on the side of the statue is the name of the deity - Usaf. The sheer might and power of the statue is enough to make anyone in the party a believer. The statue of Usaf is, of course, a missile with "U.S.A.F." on the side.
Shot-down UFO with 'sectoid' aliens trying in vain to effect repairs. Sectoids are armed with Plasma Rifles and have telepathic powers.