The joint is made up of three bones: the femur (thigh bone), the tibia (shin bone), and the patella (knee cap). The surfaces of these bones within the joint are covered with a layer of cartilage. This important surface allows the bones to smoothly glide against each other without causing damage to the bone.
Pyeongtaek: A US base, Americana in rural South Korea. As it gears up to host a huge US overseas base, the city is a window on to fraught relations between locals and troops. A commercial street near Camp Humphreys base in Pyeongtaek. [Steven Borowiec/Al Jazeera] Pyeongtaek, South Korea - The commercial area adjacent to the main entrance of the United States' Camp Humphreys military base, is a slice of Americana in the Korean countryside. Most of the signs are in English, the streets are lined with fast-food restaurants, and the street stalls sell french fries and chicken wings beside Korean staples such as blood sausage and rice cakes in red pepper sauce.
McChord Field. McChord Field (IATA: TCM, ICAO: KTCM, FAA LID: TCM) is a United States Air Force base in the northwest United States, in Pierce County, Washington. South of Tacoma, McChord Field is the home of the 62d Airlift Wing, Air Mobility Command, the field's primary mission being worldwide strategic airlift. The McChord facility was consolidated with the U.S. Army's Fort Lewis on 1 February 2010 to become part of the Joint Base Lewis-McChord complex.