Now under way, a search by air, a search by sea. the coast guard has reached out to experts in deep sea exploration. meanwhile, time is running out. >> we're doing everything we can do to locate the submersible and rescue those onboard. >> reporter: search and rescue teams from the united states and canada are working around the clock in the north atlantic to locate a lost submersible with five people onboard. search planes have been scanning the ocean's surface, sonar buoys deployed to try to detect any sound from the missile vessel. >> the location is approximately 900 miles east of cape cod...