Supplemental estimate of appropriation, War Department, fiscal year 1940. Communication from the President of the United States transmitting a supplemental estimate of appropriation for the War Department, for the fiscal year 1940, to remain available until expended, amounting to $8,431,300, for the construction of buildings, utilities and appurtenances at Military posts, required in connection with the Air Corps expansion program. In addition, this estimate provides a contract authorization for $8,500,000.