Documents that relate to the case of United States of America vs. Joe B. Plosser, Charles A Prince, Victor J. Nelson, A. L. Leaverenz, Charles R. Carpenter, Nicholas K. Marshall, A. E. Hrbacek, and Elton Taylor, accused of fraud, filed April 28, 1943. Documents include the verdicts as delivered by the foreman, Aubry D. Anderson, and a certificate of authenticity from the office of the Clerk of the District Court, George W. Parker.

Letter from Harry C. Claiborne to Joe B. Plosser offering Claiborne's assistance in helping Plosser through his trial.

Copy of a letter from R. O. Pearson to Prince and Plosser discussing Prince and Plosser's request for more information about using natural gas at their flight at Avenger Field, Sweetwater, Texas.

Letter from the United States Senate Committee on Military Affairs to Lieutenant General Henry H. Arnold discussing the conspiracy case against Joe B. Plosser and Charles A. Prince, operators of a military training facility in Sweetwater, Texas. They conclude that the charges and consequent contract cancellation were unjustified and urge the general to reinstate the contract.