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Eurasian cranes in a V formation (video) Birds flying in V formation. A V formation is a symmetric V- or chevron-shaped flight formation.In nature, it occurs among geese, swans, ducks, and other migratory birds, improving their energy efficiency, while in human aviation, it is used mostly in military aviation, air shows, and occasionally commercial aviation.
The players of both teams are arranged in 2–3–5 formation. In association football, the formation of a team refers to the position players take in relation to each other on a pitch. As association football is a fluid and fast-moving game, a player's position (with the exception of the goalkeeper) in a formation does not define their role as ...
Formation flying. Formation flying is the flight of multiple objects in coordination. Formation flying occurs in nature among flying and gliding animals, and is also conducted in human aviation, often in military aviation and air shows. A multitude of studies have been performed on the performance benefits of aircraft flying in formation.
Catenaccio. Karl Rappan's verrou, a predecessor to the catenaccio. Catenaccio ( Italian pronunciation: [kateˈnattʃo]) or The Chain is a tactical system in football with a strong emphasis on defence. In Italian, catenaccio means "door-bolt", which implies a highly organised and effective backline defence focused on nullifying opponents ...
The 4–2–3–1, 4–3–3, and 4–4–2 formations all use two centre-backs. The common 4–4–2 formation uses two centre-backs. In possession of the ball, centre-backs are generally expected to make long and pinpoint passes to their teammates, or to kick unaimed long balls down the field.
Pittsburgh Riverhounds SC is an American professional soccer team based in Pittsburgh, Pennsylvania. Founded and beginning play in 1999, [7][8] the club plays in the Eastern Conference of the USL Championship, the second tier of the American soccer pyramid. [9] Since 2013, the Riverhounds have played their home games at the 5,000-seat Highmark ...
There is an intricate link between various fishing techniques and knowledge about the fish and their behaviour including migration, foraging and habitat. The effective use of fishing techniques often depends on this additional knowledge. [1] Which techniques are appropriate is dictated mainly by the target species and by its habitat. [2]
The quarter formations are run from a 3–1–7 or a 4–0–7 in most instances; the New England Patriots have used an 0–4–7 in some instances with no down linemen. Half dollar defenses are almost always run from a 3–0–8 formation. The eighth defensive back in this case is usually a wide receiver from the offense. The wide receiver can ...