NOTE BEFORE ANYBODY BRINGS THIS UP: I AM NOT SUGGESTING THE ABILITY TO REDUCE MISSION REQUIREMENTS, THAT SHOULD NOT CHANGE
I suggest that we add a feature to add to mission requirements, for example "Unknown Structure Fire" only requires 1 engine, I think that we should have the option to add to a missions requirements to make dispatching more realistic. I know in many places, any structure fire or fire in a building would be something like 3 engines, 2 ladders, heavy rescue, chief, fire marshal, etc. I do not think that we should be able to reduce requirements because then someone could just make everything require 1 engine and complete high payout missions quickly with a single engine, however I do not see much harm in letting us increase requirements beyond what is required.