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Marine mammals comprise over 130 living and recently extinct species in three taxonomic orders. The Society for Marine Mammalogy, an international scientific society, maintains a list of valid species and subspecies, most recently updated in October 2015. This list follows the Society's taxonomy regarding and subspecies.
Marine food web. The pelagic food web, showing the central involvement of marine microorganisms in how the ocean imports nutrients from and then exports them back to the atmosphere and ocean floor. A marine food web is a food web of marine life. At the base of the ocean food web are single-celled algae and other plant-like organisms known as ...
Marine VHF radio is a worldwide system of two way radio transceivers on ships and watercraft used for bidirectional voice communication from ship-to-ship, ship-to-shore (for example with harbormasters ), and in certain circumstances ship-to-aircraft. It uses FM channels in the very high frequency (VHF) radio band in the frequency range between ...
The commandant of the Marine Corps ( CMC) is normally the highest-ranking officer in the United States Marine Corps. It is a four-star general position and a member of the Joint Chiefs of Staff. [1] The CMC reports directly to the secretary of the Navy and is responsible for ensuring the organization, policy, plans, and programs for the Marine ...
Director, Operations Division, Office of the Deputy Commandant for Plans, Policies, and Operations (PP&O) Headquarters Marine Corps (HQMC) Major General. Jason L. Morris [13] U.S. Marine Corps. Marine Corps Air Ground Combat Center. Commanding General, Marine Air-Ground Task Force Training Command (MAGTFTC) and.
The unit was initially organized as the Marine Detachment, Naval Operation Base in 1920. It was re-designated as Marine Barracks, Norfolk in 1939. During World War II, Marines from the Norfolk Barracks provided security for several commands in the Tidewater area, including the Naval Station, Naval Air Station, and Naval Fuel Annex at Craney Island, and what is now Naval Amphibious Base Little ...
Mariner 9 (Mariner Mars '71 / Mariner-I) was a robotic spacecraft that contributed greatly to the exploration of Mars and was part of the NASA Mariner program.Mariner 9 was launched toward Mars on May 30, 1971, from LC-36B at Cape Canaveral Air Force Station, Florida, and reached the planet on November 14 of the same year, becoming the first spacecraft to orbit another planet – only narrowly ...
The United States Marine Highway Program is a United States Department of Transportation (DOT) initiative authorized to increase use of the United States' 29,000 mi (47,000 km) of navigable waterways to alleviate traffic and wear to the nation's highways caused by tractor trailer traffic. [1] [2] The program is managed by the Maritime ...