A diamond formation is a formation of four or more

aircraft An aircraft ( aircraft) is a vehicle that is able to flight, fly by gaining support from the Atmosphere of Earth, air. It counters the force of gravity by using either Buoyancy, static lift or the Lift (force), dynamic lift of an airfoil, or, i ...

, soldiers on horseback, players in a

team sport A team sport is a type of sport where the fundamental nature of the game or sport requires the participation of multiple individuals working together as a team, and it is inherently impossible or highly impractical to execute the sport as a s ...

, etc., wherein the elements of the group adopt a

diamond Diamond is a Allotropes of carbon, solid form of the element carbon with its atoms arranged in a crystal structure called diamond cubic. Diamond is tasteless, odourless, strong, brittle solid, colourless in pure form, a poor conductor of e ...

, or

kite A kite is a tethered heavier than air flight, heavier-than-air craft with wing surfaces that react against the air to create Lift (force), lift and Drag (physics), drag forces. A kite consists of wings, tethers and anchors. Kites often have ...

, shape.

Aircraft

As few as four aircraft can establish the formation and conventionally the largest number is sixteen, in "tight formation": 1, 2, 3, 4, 3, 2, 1. Rarely attempted on

jet aircraft A jet aircraft (or simply jet) is an aircraft (nearly always a fixed-wing aircraft) propelled by one or more jet engines. Whereas the engines in Propeller (aircraft), propeller-powered aircraft generally achieve their maximum efficiency at much ...

, this feat was first achieved by the

Pakistan Air Force The Pakistan Air Force (PAF) (; ) is the aerial warfare branch of the Pakistan Armed Forces, tasked primarily with the aerial defence of Pakistan, with a secondary role of providing air support to the Pakistan Army and Pakistan Navy when re ...

flying U.S.-made

F-86 Sabre The North American F-86 Sabre, sometimes called the Sabrejet, is a transonic jet fighter aircraft. Produced by North American Aviation, the Sabre is best known as the United States' first swept-wing fighter that could counter the swept-wing Sov ...

s in February 1958. It is considered a difficult formation as the aircraft have to fly very close to one another to create the desired effect. The larger the number of aircraft involved, the higher the

risk In simple terms, risk is the possibility of something bad happening. Risk involves uncertainty about the effects/implications of an activity with respect to something that humans value (such as health, well-being, wealth, property or the environ ...

, as compared to other formations.

Military

Diamond formations have been used in warfare, particularly by

cavalry Historically, cavalry (from the French word ''cavalerie'', itself derived from ''cheval'' meaning "horse") are groups of soldiers or warriors who Horses in warfare, fight mounted on horseback. Until the 20th century, cavalry were the most mob ...

, throughout known history. Thessalian cavalry was especially famous for the formation since it could change direction quickly.

Sport

Football

A formation in

association football Association football, more commonly known as football or soccer, is a team sport played between two teams of 11 Football player, players who almost exclusively use their feet to propel a Ball (association football), ball around a rectangular f ...

where the four midfield players are positioned in the shape of a diamond.

Ice Hockey

A defensive formation used during a

penalty kill Short-handed is a term used in ice hockey and several related sports, including water polo, and refers to having fewer players on the ice during play, as a result of a penalty. The player removed from play serves the penalty in the penalty box f ...

References