High Quality Content by WIKIPEDIA articles! Col. Robert C. Miller, USAF (b. 1920, d. 1998), was an American meteorologist, whom pioneered severe convective storms forecasting and applied research, developing an empirical forecasting method, identifying many features associated with severe thunderstorms, a forecast checklist and manuals, and is known for the first official tornado forecast (a forecast that ironically verified) in 1948. The United States Air Force (USAF) is the aerial warfare, space warfare, and cyberwarfare service branch of the United States armed forces and one of the American uniformed services. Initially part of the United States Army, the USAF was formed as a separate branch of the military on September 18, 1947 under the National Security Act of 1947.

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