Vimeseh
Trakanon Raider
Mech heat is noted on their stats in the mech bay and represented by an orange bar when on a mission. Every mech sheds thirty heat a turn in heat neutral biomes and each heatsink adds three to that with doubles adding six heat shredded a turn.
If by priority missions you mean campaign missions then no you do not have a time limit to do them. If you mean flashpoints then they do have a limit but will repopulate at a later date if you skipped them.
If by priority missions you mean campaign missions then no you do not have a time limit to do them. If you mean flashpoints then they do have a limit but will repopulate at a later date if you skipped them.