The magnetic poles are the two points on the surface of the Earth at which the magnetic field points vertically down or up (in the northern and southern hemispheres respectively). These points are located near, but not at the northern and southern geographic poles.
Teak is the common name for the Tectona grandis, a member of the verbena family native to the hardwood forests of India, Burma (Myanmar), Thailand, Malaysia, and Indonesia. It is a large deciduous tree, growing to a height of 130 feet, with gray and grayish brown branches.
The United States Navy disposes of many of its old, obsolete, and decommissioned warships by sinking them in deep ocean waters. This practice, called a sinking exercise or SINKEX, involves removing toxic and hazardous substances to the maximum practicable extent…
Pensacola is the westernmost city in Florida, nearly extending into Alabama. It is the homeport for a number of fishing vessels and small passenger vessels. One of its claims to fame is that it is the site of the first European settlement in…
Nikumaroro (previously known as Gardner Island) is a small coral atoll in the central Pacific Ocean situated just south of the Equator and just west of the 180th meridian. It lies in the Phoenix Island Chain and is part of the Republic of Kiribati.
The Turkish Straits consist of two narrow straits in northwestern Turkey, the Bosporus and the Dardanelles, and the Sea of Marmara that connects them. The Turkish Straits lie between the Black Sea to the east and the Aegean Sea, which is a region of the much larger Mediterranean Sea.
The US Coast Guard adopted the concept of geographic districts when it absorbed the US Lighthouse Service in 1939. Previously, it had no formal segmentation of its chain of command based on geography. Rather, the chain of command was grouped around function.
The trireme was utilized as a warship in the Mediterranean Sea from the 7th century BC until the fall of the Roman Republic at about the commencement of the Christian era. No other warship design has survived in service for a comparable period. It was truly the dominant battleship of its day.