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.
Meteorologists are able to predict the changes in weather patterns by using several different tools. They use these tools to measure atmospheric conditions that occurred in the past and present, and they apply this information to create educated guesses about the future weather.