Keywords: autograph jimmy doolittle jimmydoolittle flight instruments flightinstruments American aviation pioneer, served as a brigadier general, major general and lieutenant general in the United States Army Air Forces during WWII, worked with the Guggenheim Flight Laboratory in developing instruments for flight, first person to take off, fly, and land an airplane entirely by instruments. American aviation pioneer, served as a brigadier general, major general and lieutenant general in the United States Army Air Forces during WWII, worked with the Guggenheim Flight Laboratory in developing instruments for flight, first person to take off, fly, and land an airplane entirely by instruments. |