The U.S. Air Force

"The National Security Act of 1947 created the Department of the Air Force, but the US Air Force's history began well before that. Originally part of the army, the US Air Force began as the US Army Signal Corps in 1907. Since then, the branch has progressed greatly, constantly using the latest technology. Through accessible text and eye-catching photographs, readers of this engaging volume learn all about the US Air Force, past and present, and get to take a look at the many amazing aircraft the branch has used throughout history"--Provided by publisher.