BAE Systems Military Air & Information (MAI, formerly Military Air Solutions (MAS)) is a business unit of British defence company BAE Systems responsible for the design, development, manufacture and support of fixed wing military aircraft.

The unit through its products and operating bases encompasses nearly a hundred years of industrial history.

MAI direct ancestors include the English Electric Company, Vickers-Armstrongs, the British Aircraft Corporation, Avro, Blackburn Aircraft, De Havilland, Hawker Siddeley and the Bristol Aeroplane Company.

Some of the products that have been produced by MAI's predecessors include the Avro Vulcan, English Electric Lightning, Hawker Hunter, English Electric Canberra, Blackburn Buccaneer and the ill-fated TSR-2.

In recognition full-size replicas of the EE Lightning and the Lockheed Martin F-35 Lightning II serve as gate guardians at MAI's Samlesbury site where both were manufactured.