One of the core tenets of “Star Trek” is an undercurrent of pacifism. The ships we see in any given “Star Trek” series are usually research vessels devoted to missions of exploration and study. Just as often, they do repair work on distant worlds, help planets in severe environmental trouble, or taxi diplomats to important peace talks. And while the U.S.S. Enterprise is equipped with weapons like phasers and photon torpedoes, they are only very rarely assigned a mission of combat. More often, the crew of the Enterprise will threaten a potential battlefield foe while still doing everything they can to avoid war.