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#ColdWarHistory #CHANTICLEER One of HMG's most vital Cold War secrets was maintaining the security of its highly classified (TOP SECRET - FILCH) underground Central Government War HQ, codename: CHANTICLEER. On 01 October 1975, CHANTICLEER suffered a significant security breach.
#ColdWarHistory #CHANTICLEER On 16 September 1975, the PSA asked permission from the Superintendent RN Stores Depot, Copenacre (responsible for the highly classified underground Central Government War HQ - CHANTICLEER) for the RAF to conduct an aerial photo survey of MOD Corsham.
#ColdWarHistory #CHANTICLEER Permission was granted on 29 September & withdrawn on 07 October when it was discovered that a private firm had conducted the aerial photo survey instead of the RAF. It was too late! J A Storey & Partners had flown the survey on 01 October.
