The US was already geared for war, that's what the cold war was all about. However, US tactics and machines of war had to be modified somewhat for the Vietnam War.
Just as with most other instruments, it has many variations, of which the cup anemometer is the most common. radar: Meteorologists use radar to track and measure rainfall in areas. thermometer: Thermometers play an important role in predicting the weather by allowing meteorologists to measure the temperature.
Each day, meteorologists at the Hydrometeorological Prediction Center use current observations of the atmosphere, an understanding of meteorological principles and powerful computer models to produce a synoptic scale national Weather Forecast map such as the one below for December 21, 2004.