In one sentence, describe what the following article is about:

Medium guns are currently the biggest weapons in Guns of Icarus Online. They can only be placed in medium gun slots, which are currently only available on the Galleon, the Goldfish, and the Spire.  It is not possible to place a small gun in a medium gun slot. Hellhound Heavy Twin Carronade is a larger, slower, and more powerful carronade that fires a burst of piercing short-range shotgun. This weapon is highly effective against balloons and components. It has a shatter kind of damage. Typhoon Heavy Flak Cannon is a medium-range cannon that fires explosive projectiles, dealing substantial damage with a wide area of effect. If combined with Lesmok Rounds, it will have a better accuracy and range. Manticore Heavy Hwacha is best used with Heavy Clip. Manticore fires a blinding barrage of 20 rockets for a powerful area of denial effect. Each rocket does light explosive damage. Lumberjack Heavy Mortar is a high-arcing weapon with balloon-damaging flechette AoE. This mid-range weapon is excellent for destroying both hull and balloons alike. It has a very high pitch rotation, and using this at lower altitudes than the target can yield better success. Light guns are the most common weapons in Guns of Icarus Online. There are a total of 12 light guns so far. You can only put light guns in light guns slots. Generally, this type of weapon don't hit as hard as the medium weapon, but it can still wreck a fair amount of havoc with quicker loading times.  Artemis Light Rocket Launcher is a slow-fire rate missile with good range and damage output. It has direct damage explosive and shatter AoE. Banshee Light Rocket Carousel is a high-fire rate, medium-range gun. Banshee has no bullet arc and has mildly poor accuracy. It is best used with Greased Clip. Barking Dog Light Carronade fires a wide shotgun burst of shredding projectiles at close range. It is best used with Incendiary Clip. Beacon Flare Gun can shoot burning flare that hovers in the air to reveal ships hidden in cloud cover. It can also be used to cause fire damage. Dragon Tongue Light Flamethrower is the best weapon for inflicting flame to the enemy. Use it at close range. Echidna Light Flak Cannon rapidly fires four shots before reloading, though the reload time is slow. It is a good choice fit with Burst or Greased Rounds. Hades Light Cannon is a new cannon released in Guns of Icarus. Its range reaches 1,400 meters (4,593.2 ft) and is effective against balloon, hull, and armor. Javelin Light Harpoon Gun is a harpoon that deals little damage to hulls and reels in enemies when rope is attached. Mercury Field Gun has the longest distance shot and the fastest moving projectile in the game. It’s very effective with Charged Rounds to ensure a hit each shot. If you want an extra shot, take Extended Clip with you. Phobos Mine Launcher lays impact-detonated floating mines at short range. The mines will arm and deploy after 3 seconds, and each gun supports 5 mines at a time. Scylla Double-Barreled Mortar fires heavy explosive shells over medium range with limited accuracy. Using Greased or Burst Rounds is recommended. Whirlwind Light Gatling Gun is a close-range piercing weapon with a very high rate of fire. It’s effective against armor and is commonly used paired with Light Flak Cannon and Double-Barreled Mortar. Using Charged Rounds are recommended.

Summary:
Learn about the medium guns. Learn about light guns.