For many years, decommissioned aircraft from the Air Force were scrapped due to lack of space, with only a few individual parts such as engines, instruments, weapons and propellers being kept.

During the Second World War, however, a depot was set up in Schadau Castle in which historical material was collected for a possible but never realized army museum.

Gnägi spontaneously agreed on the condition that he would work voluntarily to run the museum and that the proceeds would be paid into the federal treasury.

Finally, in 1979, the Friends of the Museum of the Swiss air force (VFMF) was formed, initiated by Hans Giger, the Director of the Federal Office for military airfields.

[6] During the VFMF presidency of former Federal Councillor Rudolf Friedrich from 1985 to 1988, the association built a new exhibition hall with the help of donations.

This extension, a concrete shell structure by the engineer Heinz Isler, was inaugurated in 1988 by the then Federal Councillor Arnold Koller.

During the presidency of former Federal Councillor Rudolf Heinrich Friedrich between 1985 and 1988, the club built a new exhibition hall with the help of donations.

This extension, a concrete-shell structure designed by engineer Heinz Isler, was inaugurated in 1988 by former Federal Councillor Arnold Koller.