While the U. S. demanded the removal of the missiles, Cuba and the U. S. S. R insisted they were only defensive.

一方面美国要求拆除导弹，另一方面古巴和苏联坚持它们只是自卫用的。

That failed attempt was known as the Bay of Pigs, and it convinced Cuba to seek help from the U. S. S. R.

这次失败的尝试被称为猪湾事件，它迫使古巴向苏联求援。