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.
1 A research meteorologist studies more specific areas of weather like severe weather or climate change. They can also develop tools like radar or weather models to help other meteorologists in their jobs.  A meteorologist in the military makes weather observations and forecasts for missions around the world.