Question: How many tons of mail and cargo depart from the station that is adjacent to Naval Support Activity Hampton Roads?

Context paragraphs:
Intelligence Support Activity: The United States Army Intelligence Support Activity (USAISA), frequently shortened to Intelligence Support Activity or Mission Support Activity, and nicknamed The Activity or Office of Military Support, is a United States Army Special Operations unit originally subordinated to the US Army Intelligence and Security Command (INSCOM) but now part of the Joint Special Operations Command.  It is tasked to collect actionable intelligence in advance of missions by other US special operations forces, especially 1st SFOD-D and DEVGRU in counter-terrorist operations.

Naval Consolidated Brig, Chesapeake: The Naval Consolidated Brig, Chesapeake (NAVCONBRIG Chesapeake) or the Joint Regional Correctional Facility Mid-Atlantic is a military prison, serving as Building 500 of the Northwest Annex of the Naval Support Activity Hampton Roads in Chesapeake, Virginia.

Hampton Roads Beltway: The Hampton Roads Beltway is a loop of Interstate 64 and Interstate 664, which links the communities of the Virginia Peninsula and South Hampton Roads which surround the body of water known as Hampton Roads and comprise much of the region of the same name in the southeastern portion of Virginia in the United States.  It crosses the harbor of Hampton Roads at two locations on large four-laned bridge-tunnel facilities: the eastern half carries Interstate 64 (and U.S. Route 60) and uses the Hampton Roads Bridge-Tunnel and the western half carries Interstate 664 and uses the Monitor-Merrimac Memorial Bridge-Tunnel.  The beltway has the clockwise direction (as looking down at a map of the area) signed as the Inner Loop, and the counter-clockwise direction signed as the Outer Loop.  The entire beltway, including the bridge-tunnels, is owned and operated by the Virginia Department of Transportation.

Naval Support Facility Anacostia: Naval Support Facility (NSF) Anacostia was a United States Naval Base in Anacostia, Washington, D.C..  On 1 October 2010 the base was conjoined with the adjacent Bolling Air Force Base to form Joint Base Anacostia–Bolling in accordance with congressional legislation implementing the recommendations of the 2005 Base Realignment and Closure Commission.  NSF Anacostia fell under the command of Naval Support Activity Washington.

Naval Support Activity Hampton Roads: Naval Support Activity Hampton Roads (NSA HR) is a United States Navy Echelon 4 regional support commander that is responsible to Navy Region Mid-Atlantic for the operation and maintenance of the installation of the same name that it is headquartered on.  Adjacent to, but separate from Naval Station Norfolk, NSA Hampton Roads has the largest concentration of fleet headquarters administrative and communication facilities outside of Washington, D.C., including the headquarters for United States Fleet Forces Command , Naval Reserve Forces Command and United States Marine Corps Forces Command, along with components of the Joint Chiefs of Staff, and the Joint Forces Staff College.  NSA Hampton Roads is also home to NATO Supreme Allied Commander, Atlantic

Naval Surface Warfare Center Crane Division: Naval Surface Warfare Center Crane Division is the principal tenant command located at Naval Support Activity Crane.  NSA Crane is a United States Navy installation located approximately 25 mi southwest of Bloomington, Indiana and predominantly located in Martin County, but small parts also extend into Greene and Lawrence counties.  It was originally established in 1941 under the Bureau of Ordnance as the Naval Ammunition Depot for production, testing, and storage of ordnance under the first supplemental Defense Appropriation Act.  The base is named after William M. Crane.  The base is the third largest naval installation in the world by geographic area and employs approximately 3,300 people.  The closest community is the small town of Crane, which lies adjacent to the northwest corner of the facility.

Naval Station Norfolk: Air Operations conducts over 100,000 flight operations each year, an average of 275 flights per day or one every six minutes.  Over 150,000 passengers and 264,000 tons of mail and cargo depart annually on Air Mobility Command (AMC) aircraft and other AMC-chartered flights from the airfield's AMC Terminal.

United States Fleet Forces Command: The United States Fleet Forces Command (USFLTFORCOM) is a service component command of the United States Navy that provides naval forces to a wide variety of U.S. forces.  The naval resources may be allocated to Combatant Commanders such as United States Northern Command (USNORTHCOM) under the authority of the Secretary of Defense.  Originally formed as United States Atlantic Fleet (USLANTFLT) in 1906, it has been an integral part of the defense of the United States of America since the early 20th century.  In 2002, the Fleet comprised over 118,000 Navy and Marine Corps personnel serving on 186 ships and in 1,300 aircraft, with an area of responsibility ranging over most of the Atlantic Ocean from the North Pole to the South Pole, the Caribbean Sea, Gulf of Mexico, and the waters of the Pacific Ocean along the coasts of Central and South America (as far west as the Galapagos Islands).  The command is based at Naval Support Activity Hampton Roads in Norfolk, Virginia and is the Navy's service component to U.S. Northern Command and is a supporting command under the U.S. Strategic Command.

Hampton Roads Transit: Hampton Roads Transit (HRT), incorporated on October 1, 1999, began through the voluntary merger of PENTRAN (Peninsula Transportation District Commission) on the Virginia Peninsula and TRT (Tidewater Regional Transit a.k.a. Tidewater Transit District Commission) in South Hampton Roads and currently serves over 22 million annual passengers within its 369 sqmi service area around Hampton Roads.  The purpose of the HRT is to provide reliable and efficient transportation service and facilities to the Hampton Roads community.

Millington Regional Jetport: Millington Regional Jetport (IATA: NQA, ICAO: KNQA, FAA LID: NQA) , formerly known as Millington Municipal Airport, is a public airport in the city of Millington, in Shelby County, Tennessee, USA.  The airport is located 16 mi north of Memphis.  It was formerly known as Naval Air Station Memphis and it still provides support to military aircraft visiting the adjacent Naval Support Activity Mid-South.

Supporting paragraphs: Naval Support Activity Hampton Roads Naval Station Norfolk
Answer: 264,000