1 September 2013 Closure of the museum and transfer of museum staff offices and the collections to the Centre Mondial de la Paix (World Centre for Peace, Verdun).
September-November 2013 Preparatory work prior to extension and renovation: cleaning, removal of asbestos, demolition, pyrotechnic clean-up
December 2013 Earthworks
January 2014 Laying of the foundations
January 2015 Finalisation of the building’s framework (roofed and weathertight) after a year of structural work
February 2015 Start of work on the museum layout: installation of the support for the glass floor and the central battlefield scene
July 2015 The planes are hung over the battlefield scene
September-December 2015 Installation of the display cases by the Séquoïa company
October 2015 Installation of decorative flooring elements by the Adess company.
The collections are brought back and put into storage. The guns and Berliet trucks are added to the new layout
October-December 2015 The items are given 2D frames by the Duo studio
December 2015 Work begins on the stands by the Version Bronze company
22 February 2016 The museum reopens to the public