The Maser Cannon (メーサー兵器 Mēsā Heiki, lit. Maser Weapon) is a fictional weapon featured in many of Toho's sci-fi and fantasy films, making its first appearance in the 1966 film The War of the Gargantuas. There have been several varieties, but each function in a similar way and have a similar appearance. Variations of the Maser have appeared in 13 films thus far. Since their inception, Maser Cannons have typically been employed as anti-kaiju weapons, due to the ineffectiveness of conventional military weaponry against them.
Jyn Erso and a group of rebels band together to steal plans from the Death Star, a weapon engineered and built by her father with a secret hole that will leave open destruction of the space station. However, in the middle of a neverending war, there stands the King of the Monsters, Godzilla. The Rebel Alliance and The Galactic Empire fire everything they have at him including the Death Star, leading to a confrontation with Darth Vader.
