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1963年4月10日,长尾鲨号在马萨诸塞州科德角海面上沉没,五角大楼震惊了。美国海军部迅速制订了寻找长尾鲨号的紧急计划,以便弄清失事的原因。
On April 10, 1963, the Pterodrine was sunk in the sea of Cape Cod, Mass., Sinking. The U.S. Department of the Navy promptly prepared an emergency plan for finding the Tail Tail shark in order to find out the cause of the crash.