Hearings on Military Posture and Legislation to Authorize Appropriations During the Fiscal Year 1971 For Procurement of Aircraft, Missiles, Naval Vessels, and Tracked Combat Vehicles, and Other Weapons, and Research, Development, Test, and Evaluation for the Armed Forces, and to Prescribe the Authorized Personnel Strength of the Selected Reserve of Each Reserve Component of the Armed Forces, and for Other Purposes. Ninety-first Congress, Second Session