This is a radar nose Vautour IIN interceptor. The Vautour IIB bomber equipped the French Force de Frappe/Force de Dissuasion until the arrival of the Mirage IVA .The Vautour only had the range for 'one-way' missions against likely strategic targets. Whether it was nuclear capable is unclear.
Of the 112 examples of the Vautour (Vulture) which served the Armée de l'Air between 1958 and 1979, 63 were the IIN two-seat, all-weather interceptor version with nose radar. Must be my favourite exhibit in this extraordinary collection