Star Trek Adventures - Red Alert
Star Trek Adventures - Red Alert Skirmish Rules is a supplement for the  role playing game.

Summary
Blurb
RED ALERT!

With Star Trek Adventures: Red Alert, your gaming group can add an exciting three-dimensional tactical experience to your RPG encounters. Now, Federation away teams can do battle against Klingon warriors, Romulan strike teams, Borg drones, or any number of other threats on far-flung worlds across the Galaxy. Whether you’re a seasoned veteran of tabletop campaigns or a fresh-from-the-academy redshirt, you’ll soon be controlling your own away team and battling over the fate of worlds or the entire Galaxy!

This is a FREE PDF chapter of the Operations Division supplementary rulebook, for the Star Trek Adventures role playing game, and contains rules for miniatures combat.

You will also need:

 The Star Trek Adventures core rulebook
 Star Trek Adventures miniatures
 Star Trek Adventures tile sets
 At least two 20-sided dice (d20) per player
 Several 6-sided dice (d6) to serve as Challenge Dice
 Two sets of six chips or tokens for Momentum and Threat

External link 
 

Adventures, Red Alert