Hey ..welcome aboard and enjoy your tour of duty here .
I never encountered your problem of having too many abilities so I don't have a solution for what to do about it. Sorry.
I could suggest,however, that maybe you could move the crewmwn with the ability you need to employ to a different compartment where the abilty could still be used and is also accessible. Does that make sense?
For example: I have a crew member with perfect pitch but he isn't in the sensor compartment. When I need him, I have to move him there and then back to his regular job after the action is over.
Possibly someone else will come along and add to this.
Good luck.
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