Errant Variable, on 12 December 2014 - 08:50 PM, said:
What about (someone else's suggestion of) an ammo resupply consumable? Refills a certain weight of ammo, or a certain percentage perhaps. Possibly with a wait timer before effect and some mech vulnerability added?
Something like "Call ammo carrier" instead of "Call airstrike", you could even make the thing highly explosive.