Recently started playing with the Tartarus nuke, and while it is a marvel when it works; I find it requires communication with my team on the following:
Cooldown on reload - so vets, and destroyers can plan their positioning.
Target it is aimed at - so teammates know who to focus.
Moment of firing - so ships know when to start their attack run.
If I could map those to keys, it would save me a great deal of typing, especially in the heat of battle.