[blam]

"Yesterday there were evacuations due to an explosion at Eglin AFB "

Eglin is the largest military base in the world.

The 30,000 pound MOAB was tested there and I read that only those involved with the explosive testing heard the noise.
(I have serious reservations about that report though)

[eastforker]

http://www.army-technology.com/features/feature-largest-military-bases-world-united-states/

Eglin is the largest military base in the world.

[jospehm20]

No, it is not. If you count range land bases control it is not even the largest Air Force base.

[LegendHasIt]

Actually, White Sands Missile Range is the largest military base in the US (in area) And especially if you add in Macgregor Range, Fort Bliss and Holloman AFB, which are all contiguous.