In 2156, Starfleet developed the first working laser cannon and used them alongside the weaker but still reliable Phase cannons. During the mid 22nd century-23rd century, Starfleet's primary energy based weapons were based on laser technology until the advent of phasers in 2257. (Ship Recognition Manual, Volume 4: Starships of the Original Series Era) The U'lanna made use of laser weapons, mounting dozens of laser weapons on a broadside. (Star Trek: The Stoneship Files: "For a New World")