Here is an interesting question; the text for the cluster bomb is:

"After defending, you may discard this card. If you do, each other ship at Range 1 of the defending section rolls 2 attack dice, suffering all damage () and critical damage () rolled."

Let us assume that a huge ship is equipped with more than one cluster bomb and defends from an attack, can he chose to activate and fully resolve one cluster bomb before chosing to use and resolve the second one, or must he activate both right away should he chose to do so? Per the rules reference, I know both can be activated:

"If a ship is equipped with more than one copy of the same Upgrade card that does not require an action to trigger the card’s ability, it can trigger each copy of that card at the specified timing."

I just do not know if a player can wait to see the results of the first activation before triggering the 2nd one.

When dealing with multiple cards wanting to trigger at the same time, you resolve each one in full before moving on to the next. So yes, you can see the results of one Cluster Bomb before making any decisions on the other one.