TOP SECRET ght disorganise them to the extent that subsequent attacks could be made by day without unreasonable casualties. We have already appreciatedø that these targets are suitable for destruction by airborne raids. The forces needed are small and are available from existing military resources. It is possible, therefore, that a sudden Soviet atomic offensive would be accompanied by airborne raids against these targets. 13. Mining by air. Without any major redeployment there would be about 150 Soviet naval aircraft (Type 35 or IL 28) of sufficient range available for mine-laying in the East coast shipping lanes and close approaches to the East Coast ports.