Emergency radio call picked up by Russian military , report says . ` Or they could also possibly reconnoiter our ( defense ) systems . '' Radio transmissions sent to Swedish enclave on the Sea of Okhotsk , report says . U.S. denies any vessel in Swedish waters . Russian military has been active around world April 23 .
Emergency radio call picked up by Russian military , report says . Radio transmissions sent to Swedish enclave on the Sea of Okhotsk , report says . U.S. denies any vessel in Swedish waters . Russian military has been active around world April 23 .