I mean…. That is possible, but so is the 'official story'. This hinges on the belief the NSA is at war with the CIA in a very real capacity and would choose to store sensitive intelligence specifically at one location…. And rig it with a bomb (why?).
While there are emergency destruction procedures and measures in some locations, these don't have to blow up the whole facility. These are typically small thermite or other devices installed above critical components or hard drives/tapes.