Air cargo container with a device for extinguishing fire

A container comprising:

• a) a wall limiting an interior space, said interior space being sealed against an exterior for avoiding an entry of fluid,
• b) said wall having
• ba) a first operating configuration wherein said interior space limited by said wall has a first volume VI1, and
• bb) a second operating configuration wherein said interior space limited by said wall has a second volume VI2 being smaller than said first volume VI1,
• c) a check valve blocking fluid from streaming from the exterior into said interior space but opening for a stream of fluid from said interior space to the exterior, and
• d) an actuation means designed and configured for automatically transferring said wall from said first operating configuration into said second operating configuration in case of a fire
• e) wherein with the transfer of said wall from said first operating configuration into said second operating configuration a fluid contained in said interior space is pushed from said interior space via said check valve to the exterior
• f) wherein the container is designed and configured for being used as a cargo container.