Okay, I have to suggest this. I have notice a lack of festive cheer in this game, and I have decided to drop a potential weapons system suggestion here. The stats are as follows.
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Name: Firework Launcher

Type: Missiles
Guided: No
Fuel Time: 5s
Speed: 200m/s
Damage: 5/missile
Reload: 0.5s
Ammo: 40 rounds
Volley: 8
Blast Radius: 500m
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This suggestion includes adding a limited set of colors to these fireworks. Nothing fancy, just the usual christmas colors. My Idea with this suggestion is to add more of a festive feel to the game. Readers, feel free to add on if you think anything is missing.

/* Moved to Suggestions */

Unguided missiles are called rockets.

You are missing:
detonation proximity
Mass
equipment port

A Splash radius of 500m is insane, absolutely not. Since explosions do a concussion effect, these would quickly become very useful as destabilizers for an opponent. I'd suggest these changes:

Large Port
Velocity: 60m/s
Proximity: Contact
^--- Also explodes at end-of-fuse
Mass: 1000kg
Splash Radius: 30m
Volley spread: random within 5.7 degree arc

Also, what would be colored? The explosion, or the projectile's "light"?

also also, i'd like to bring back my christmas neutron idea here, at least the "method of obtaining" part. Since Gatinsir never said.