'THE TANK' U.S. Navy Adm. Mike Mullen, chairman of the Joint Chiefs of Staff, and Gen. Sverker Goranson, supreme commander of the Swedish Armed Forces, meet in "The Tank," the Joint Chiefs of Staff secure conference room at the Pentagon, Aug. 5, 2010. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 974623-L-ZXR02-533.jpg Photo Gallery