This monograph ... recounts the development of aviation in the United States Army from April 1861, when the Army first became interested in balloons as a means
This book recounts the development of aviation in the United States Army from April 1861, when the Army first became interested in balloons as a means of observ
THIS MONOGRAPH, written by Mrs. Juliette A. Hennessy of the USAF Historical Division, recounts the development of aviation in the United States Army from April
This monograph recounts the development of aviation in the United States Army from April 1861, when the Army first became interested in balloons as a means of o