Editing VB-Missiles (section)

===Missile Size===
One Missile Size Point (MSP, not to be confused with Maintenance Supply Points, also called MSP) equals 1/20 HS (Hull Spaces), or 2.5 tons.

Missile size can be a fraction of whole numbers (e.g. a 1.25-size missile), but they can only be fired from a launcher with a size of the next whole number (e.g. a 1.25-size missile needs a size-2 launcher).

The smallest size permitted in Aurora is 1. There appears to be no maximum size, but the largest launcher size is 100 and you can't launch without a launcher.

Anti-missile missiles tend to be size 1 because they need to be fast and you need lots of them, while most anti-ship missiles tend to be between size 5 and 15.

Missile size is always a trade-off between missile capabilities on the one hand and salvo size as well as magazine depth on the other. A size-12 missile is a lot more capable than a size-6, but your ship can carry only half as many, the launchers are twice as large and most importantly, if your fleet can launch only 20 in one salvo while the enemy fleet's point defense can reliably shoot down 30 missiles, your shots are wasted.

Larger missiles can be spotted - and thus fires at by point defenses - at longer range than smaller ones, but there is a limit: missiles smaller than 6 MSP are treated as size 6 by sensors.