Reading between the lines: yes, certainly. Amazon wouldn't stop firefighters from getting into a normal datacenter, nor would they have the authority to stop them if they wanted to. A private corporation can't demand background checks from emergency responders; a letter agency can.
The ones hosting classified data used by federal agencies. https://aws.amazon.com/federal/us-intelligence-community/
Is that this one in particular?
Reading between the lines: yes, certainly. Amazon wouldn't stop firefighters from getting into a normal datacenter, nor would they have the authority to stop them if they wanted to. A private corporation can't demand background checks from emergency responders; a letter agency can.
One would think they would cite that as a reason