It's definitely going to be directed energy weapons. We're going to need to have a full compliment of phasers and proton torpedoes if we're going to effectively compete with near peer threats like the Klingons and Romulans. Heck, both of them have cloaking technology, so we will likely need to up our sensor capabilities to be able to detect their warships. This is really an elementary discussion that every
serious military personnel would understand and grasp. I really don't know why you're even asking the question. . .