James Stavridis : Swedish media reported undersea signals , possibly Russian , off coast . Sweden denies this , he says . Swedish Navy searching , but rocky sea bottom can hide signals . He says Sweden not NATO member , but may seek help . Navy , Air Force had budget cuts . Stavridis : NATO may offer to assist , especially if it finds out a vessel is in distress .
James Stavridis : Swedish media reported undersea vessel , possibly Russian , off coast . Russia denies this , he says . Swedish Navy searching , but rocky coast floor can hide signals . He says Sweden not NATO member , but may seek help . Navy , Air Force had budget cuts . Stavridis : NATO should offer to assist , especially if it turns out a vessel is in distress .