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 employ sophisticated computer models to predict weather several days in advance. The model is a program that takes in large amounts of data about temperature, pressure and other conditions across an area and extrapolates how high and low pressure zones will change in a given period.