Editing Weapons in Star Trek (section)

===Phase cannon===
Phase cannons are 22nd century weapons, several of which first appear mounted to the ''[[Enterprise (NX-01)|Enterprise]]'' in the ''Star Trek: Enterprise'' episode "[[Silent Enemy (Star Trek: Enterprise)|Silent Enemy]]". Phase cannons have a variable yield, with the cannons on the ''Enterprise'' being rated for a maximum output of 500 gigajoules, equivalent to about 120 tons of TNT.<ref name="Silent Enemy">{{cite episode| episode-link=Silent Enemy (Star Trek: Enterprise)| title=Silent Enemy| series=Star Trek: Enterprise}}</ref> Phase cannons are generally more powerful than spatial torpedoes.<ref>{{cite episode| episode-link=Fallen Hero| title=Fallen Hero| series=Star Trek: Enterprise}}</ref> They are the 22nd century precursor to phaser technology, in addition to phase pistols (hand-carried phase cannons). Unlike 24th century phasers, they do not have the normal variable power settings or a variable beam width – only stun and kill.