regardless, they continued the mission. major wheeler, 14 tours in afghanistan and iraq. that's a bit of a reminder how lengthy, what used to be called the war on terror, has gone on and how it's morphed into this complex fight against isis, and perhaps how these images, which the pentagon say they knew the kurdish peshmerga special forces were filming before the raid and intended to release perhaps these images help explain to the american public how weary of american involvement on the ground in iraq, exactly what the forces were doing. secretary of defense ashton carter says more american soldiers will be in harm's way and we can expect more missions like this in the future. wolf? >> nick paton walsh for us. thank you, nick, very much. up next, cold war era concerns over russian spy ships and submarines taking up positions near critical communication lines. could they be planning an attack on the internet? we're going to take a closer look. can a business have a mind?