Special effects: Deals 15 points of fire damage to enemies.
How to obtain: Complete The Big Dig quest on Fahrenheit's side.
Type: Fat Man
Special effects: Shoots additional missile.
Location: Diamond City Market. Sold by Arturo.
Type: Unique weapon
Special effects: Shoots with cannonballs.
How to obtain: Complete The Last Voyage of USS Constitution quest.
Death From Above
Type: Rocket launcher
Special effects: Movement faster by 75% while aiming.
Location: Prydwen. Sold by Teagana after obtaining Paladin rank in the Brotherhood of Steel.
Type: Gatling laser
Special effects: 25% better rate of fire, 15% faster reloading. Uses core fusions instead of ammunition.
How to obtain: Kill Elder Maxson during the Airship Down, Precipice of War or Rockets' Red Glare quest.
Type: Junk Jet
Special effects: Shoots with junk kept in the inventory.
Location: ArcJet Systems. You will get it during the Call to Arms quest.
Type: Missile launcher
Special effects: Deals 50% more damage to humans.
Location: Goodneighbor. Sold by KL-E-0.