This volume traces the course which the Signal Corps followed between the first and second world wars, a period of planning and preparation.

Draft manuscript.

Part 1. Before the Second World War -- Military Communications (to 1919) -- The Army in Limbo (1919-1937) -- The Scope of the Signal Corps (1919-1937) -- The Army in Abeyance (1938 to 1 September 1939) -- Equipment Search and Research (1938 to 1 September 1939) -- Part 2. The Limited and Unlimited Emergencies -- The Pace Set by Emergency (September 1939 to August 1940) -- The Tizard Mission (August-September 1940) -- Selective Service (September-December 1940) -- Training New Signalman (December 1940-mid-1941) -- Working for the Air Forces (The first half of 1941) -- Working for the Ground Forces (the first half of 1941) -- Manning the Hemispheric Bases (mid-1941) -- In the Front Office (fall, 1941) -- Appendix. Signal Corps equipment, World War II.