Appropriations and expenditures Procurement Operational readiness United States Armed Forces Appropriations and expenditures Equipment United States Armed Forces Procurement F-35 (Military aircraft) Weapons systems Jet planes, Military Aviation Body armor United States Armed Forces Equipment United States Armed Forces Operational readiness Airplanes, Military Fighter planes Military helicopters Airplanes, Military Purchasing Armored vehicles, Military National security Finance Sequestration (Public finance) Defense industries F-35 (Military aircraft) Costs Tactical aviation Air power Equipment and supplies Air pilots, Military Health and hygiene Research and development projects Aeronautics, Military Aeronautics, Military Finance Flight Physiological aspects