 Complete the following phrase:  Between 1892 and 1894, the French constructed new works on the old. In 1897 the fort was unveiled by President Félix Faure and named in honour of the old fort. It was incorporated into the sub-sector of Tarentaise of the fortified sector of Savoy, part of the Alpine Line extension of the Maginot Line in the 1930s. It did not see action until the 