Aircraft graveyards, also known as boneyards, are specialized storage facilities for decommissioned planes. Located primarily in arid regions like the deserts of the southwestern U.S., Spain, and Australia, these environments prevent corrosion and allow aircraft to be stored for years. Planes are preserved through a meticulous process: fluids are drained, sensitive parts removed, engines sealed, and surfaces covered to prevent environmental damage. Storage types vary—some aircraft are held short-term for potential reactivation, others are kept long-term, while many are stored permanently for parts or eventual dismantling. Retrieving planes from storage involves reinstallation of components, system checks, and thorough testing. If not returned to service, planes are often stripped for valuable parts like engines and avionics, which are refurbished and reused. Aircraft may also be dismantled for recycling—over 80% of materials such as aluminum and composites can be repurposed. Some planes find second lives as cargo carriers, firefighting aircraft, or are repurposed for training, museums, or creative uses like hotels and restaurants. While retired aircraft are rarely returned to manufacturers like Airbus or Boeing, they may be traded back through leasing or resale agreements. Documentation and compliance with aviation standards are critical, especially when parts are resold or reused. Military aircraft follow similar protocols, often stored for reactivation or used for parts, with added emphasis on security. Environmental and regulatory pressures are pushing the industry toward greener end-of-life solutions. Organizations like AFRA promote safe recycling practices, and new technologies—like AI inspections and blockchain for tracking—are improving efficiency and accountability. Aircraft graveyards thus play a vital role in aviation sustainability, resource recovery, and fleet management. They are not just endpoints for planes, but dynamic hubs where aircraft are maintained, repurposed, or respectfully decommissioned in line with industry and environmental standards.