One new hangar, today Building 3063, was completed in 1942.
Recommendations include a new hangar and more aircraft parking space, at a cost of about $6 million.
Noyes built a new hangar very soon after beginning operation of the airport.
In April 2011, a new hangar, adjacent to the northern wall of the main exhibition hall, was opened.
Following restoration, the aircraft was expected to be displayed inside in one of the museum's new hangars.
A new hangar, at the time the largest in the world, was completed in 1919.
To accommodate their expansion, the company built a new hangar and office building during the 1960s.
He was also planning to build a new hangar at Gatwick for £300,000.
Today work was begun on the tunnel that will reach down to the new hangar.
The base was closed between 1929 and 1932, during which period reconstruction work took place including the building of new hangars.