The Russians have also claimed to have chased away a US submarine from the Barents sea [1] So clearly both sides think the other is still conducting sneakies.

The Russians have also claimed to have chased away a US submarine from the Barents sea [1] So clearly both sides think the other is still conducting sneakies. [1] http://news.usni.org/2014/08/11/u-s-denies-attack-submarine-expelled-barents-sea http://news.usni.org/2014/08/11/u-s-denies-attack-submarine-...