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

full_context: Document 1: Amazon Prime Air: Amazon Prime Air is a cargo airline that contracts through Air Transport International, ABX Air, and Atlas Air, as well as a conceptual drone-based delivery system currently in development by Amazon.com. The cargo side is based at Cincinnati/Northern Kentucky International Airport in Hebron, Kentucky, near Cincinnati, Ohio. The hub began operations on April 30, 2017 and will quickly expand under a $1.49-billion expansion plan with 40 Boeing 767-300F's and 200 daily takeoff and landings.
Document 2: Navy Region Hawaii: The region's premier installation and headquarters installation, Joint Base Pearl Harbor–Hickam is host two of United States Pacific Command subordinate Service components - United States Pacific Fleet on the Pearl Harbor side, and Pacific Air Forces on the Hickam side. The region also oversees installation support for the Pacific Missile Range Facility, the world's largest instrumented, multi-dimensional testing and training missile range in Kekaha, Hawaii.
Document 3: Fleet Marine Force, Pacific: The United States Fleet Marine Force, Pacific (FMFPAC) is the largest maritime landing force in the world. Its units are spread across the Pacific Ocean and reports to the United States Pacific Command. It is headquartered at MCB Camp H. M. Smith, HI and directs and commands all the subordinate elements of the Navy Expeditionary Strike Force and Marine Air-Ground Task Force components that follow under the 3rd, 5th, and 7th Fleet and the Marine Corps Forces, Pacific (MARFORPAC). The Commanding General of Marine Corps Forces, Pacific is dual-posted as the Commanding General of Fleet Marine Force, Pacific. FMFPAC is under operational control of the Commander, United States Pacific Fleet (COMPACFLT), when deployed.
Document 4: American Airlines: American Airlines, Inc. (AA) is an American airline headquartered in Fort Worth, Texas, within the Dallas-Fort Worth metroplex. It is the world's largest airline when measured by fleet size, revenue, scheduled passenger-kilometers flown, and number of destinations served. American together with its regional partners operates an extensive international and domestic network with an average of nearly 6,700 flights per day to nearly 350 destinations in more than 50 countries.
Document 5: Naval Station Newport: The Naval Station Newport (NAVSTA Newport) is a United States Navy base located in the city of Newport and the town of Middletown, Rhode Island. Naval Station Newport is home to the Naval War College and the Naval Justice School. It once was the homeport for Cruiser Destroyer Force Atlantic (COMCRUDESLANT), which relocated to Naval Station Norfolk in the early 1970s. Newport now maintains inactive ships at its pier facilities, along with the United States Coast Guard. In BRAC 2005 (Base Realignment and Closure), NAVSTA Newport gained over five hundred billets, in addition to receiving, again, the Officer Candidate School (OCS), the Naval Supply Corps School (in 2011), and several other activities, to include a few Army Reserve units.
Document 6: 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.
Document 7: 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.
Document 8: Naval History and Heritage Command: The Naval History and Heritage Command, formerly the Naval Historical Center, is an Echelon II command responsible for the preservation, analysis, and dissemination of U.S. naval history and heritage located at the historic Washington Navy Yard. The NHHC is composed of 42 facilities in 13 geographic locations including the Navy Department Library, 10 museums and 1 heritage center, USS "Constitution" repair facility and detachment, and historic ship ex-USS "Nautilus".
Document 9: Naval air station: A naval air station is a military air base, and consists of a permanent land-based operations locations for the military aviation division of the relevant branch of a navy (Naval aviation). These bases are typically populated by squadrons, groups or wings, their various support commands, and other tenant commands.
Document 10: 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.
Document 11: Naval Station Mayport: Naval Station Mayport (IATA: NRB, ICAO: KNRB, FAA LID: NRB) is a major United States Navy base in Jacksonville, Florida. It contains a protected harbor that can accommodate aircraft carrier-size vessels, ship's intermediate maintenance activity (SIMA) and a military airfield (Admiral David L. McDonald Field) with one asphalt paved runway (5/23) measuring 8,001 × .
Document 12: 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.
Document 13: Norfolk International Airport: Norfolk International Airport (IATA: ORF, ICAO: KORF, FAA LID: ORF) is a public use airport located three nautical miles (6 km) northeast of the central business district of Norfolk, an independent city in the U.S. state of Virginia. It is owned by the city of Norfolk and operated by the Norfolk Airport Authority: a bureau under the municipal government. The airport serves the entire Hampton Roads metropolitan area of southeast Virginia (along with Newport News/Williamsburg International Airport in Newport News) as well as northeast North Carolina.
Document 14: 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
Document 15: Air Mail Facility: With the establishment of the first air-mail route in 1918, and the later additional routes, plus the accepted use of premium priced air mail by the public, it was only natural that the Railway Mail Service (RMS), being in charge of transit mail, was assigned the task of establishing "Air Mail Field" (AMF) postal facilities at the major airports. Only outgoing air mail was distributed at these workrooms, channeled there by both the post offices and Railway Post Office (RPO) routes. This mail was distributed and dispatched to other AMFs via the different flight connections. Incoming mail from other AMFs was distributed by general scheme and pouched to outgoing RPOs and necessary post offices. The Motor Vehicle Service provided frequent trips between the city post office and the AMF for air mail ground transportation. In 1951, there were 1200 clerks manning forty AMFs. They continue to exist within the U.S. Postal Service (USPS) and are now called Air Mail Centers (AMCs).
ground_truth: 264,000