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A 4–3 base defense. In American football, a 4–3 defense is a defensive alignment consisting of four down linemen and three linebackers. It is called a "base defense" because it is the default defensive alignment used on "base downs" (1st and 2nd downs). However, defenses will readily switch to other defensive alignments (such as a nickel ...
Pros & Cons is a comic strip about a lawyer, a psychiatrist and a police officer created by Glasgow–based artist Kieran Meehan. [ 1 ] It was known as A Lawyer, A Doctor & A Cop before July 7, 2008, when it was renamed in an effort to make the title easier to remember.
Cost-plus contracts were first used by the government in the United States during World War I to encourage wartime production by American businesses. [4] According to Martin Kenney, they "allowed what were then small technology firms like Hewlett-Packard and Fairchild Semiconductor to charge the Department of Defense for the price of research ...
Miami 4–3 defense. I believed, and still do, in creating upfield pressure from a 4–3 stack formation. — Jimmy Johnson, Johnson and Hinton, p. 87. The Miami 4–3, also called the 4–lslide, is a scheme closely associated with the Jimmy Johnson -led Miami Hurricanes, and taken by Johnson to the Dallas Cowboys. Built around Jimmy Johnson's ...
Trench warfare is a type of land warfare using occupied lines largely comprising military trenches, in which combatants are well-protected from the enemy's small arms fire and are substantially sheltered from artillery. It became archetypically associated with World War I (1914–1918), when the Race to the Sea rapidly expanded trench use on ...
Coastal management is defence against flooding and erosion, and techniques that stop erosion to claim lands. [ 1] Protection against rising sea levels in the 21st century is crucial, as sea level rise accelerates due to climate change. Changes in sea level damage beaches and coastal systems are expected to rise at an increasing rate, causing ...
They are the least well-educated major ethnic group and suffered a 3% drop in high school completion rate while African Americans experienced a 12% increase between 1975 and 1990. [102] In 1990, they constituted 9% of the population, but only received 3.1% of the bachelors's degrees awarded.
v. t. e. Defence in depth (also known as deep defence or elastic defence) is a military strategy that seeks to delay rather than prevent the advance of an attacker, buying time and causing additional casualties by yielding space. Rather than defeating an attacker with a single, strong defensive line, defence in depth relies on the tendency of ...