sentences:  In 1935, he was assigned as the Chief of the Flying Branch of the Material Division at Wright Field, with the temporary rank of Major.His duties involved the flight testing and evaluation of numerous new military aircraft designs at various contractors' plants, including the Consolidated P-30, Martin B-10, B-12, and many others.On October 30, 1935, Hill and Boeing's chief test pilot Leslie Tower died as a result of injuries received from the crash of the Boeing experimental aircraft Model 299 at Wright Field; three others on board survived.