speeds toward an enemy submarine, target acquired and destroyed. stationary dive, stationary dive. reporter: these are just exercises. the hartford training for its primary mission, hunting and destroying enemy ships and submarines. why is it more important now to demonstrate that capability? this is our exclusive economic zone and our submarine force is capable of operating here just as we operate along our east coast and throughout the world. it shows that we are capable of doing it, and willing to come up here. outboard test factory. reporter: operating unthe arctic presents unique challenges, with no actess ogps navigati navigation, limited communications and dangers from below and above. 07 55 feet. 55 feet. reporter: ice keels as long as 150 feet extend down from the ice sheet. america s biggest challenge, however, comes from russia.
reporter: in an instant a two-ton, 20-foot long torpedo speeds towards an enemy submarine. target acquired and destroyed. stationary dive. stationary dive. these are just exercises, the hartford training for its primary mission, hunting and destroying enemy ships and submarines. why is it more important now to demonstrate that capability? this is our exclusive economic zone that our submarine force is capable of operating here as we operate along our east coast and throughout the world. it shows that we are capable of doing it and willing to come up here. reporter: operating under the arctic presents unique challenges, with no access to gps navigation, limited communications and dangers from below and above. 07, 55 feet.
inside one of the biggest manhunts in fbi history. [ bagpipes ] reporter: the church bells of saint monica near the harbor in south boston have sounded for generations of irish immigrants. [ bell ringing ] reporter: it is a tight-knit community that s always protected its own, a place james whitey bulger, one of boston s most notorious gangsters, called home. bulger learned to fight and survive on the mean streets of south boston, known as southy to locals like john shay who would decades layer later, work for bulger. the guy was legendary. he made tough guys shake. he made them shake. reporter: bulger s life of crime started early. arrested in his teens he was robbing banks by age 20. his shock of blond hair earning him the name whitey a name he s said to despise. with his rugged good looks and reckless flamboyance, bulge jer imagined himself boston s version of hollywood gangster jimmy cagney. instead of red carpets, he was headed to alcatraz. a string of bank r
the fbi could not catch. deborah feyerick takes you inside one of the biggest manhunts in fbi history. [ bagpipes ] reporter: the church bells of saint monica near the harbor in south boston have sounded for generations of irish immigrants. [ bell ringing ] reporter: it is a tight-knit community that s always protected its own, a place james whitey bulger, one of boston s most notorious gangsters calleded home. bulger learned to fight and survive on the mean streets of south boston, known as southy to locals like john shay who would work for bulger. the guy was legendary. he made tough guys shake. he made them shake. reporter: bulger s life of crime started early. arrested in his teens he was robbing banks by age 20. his shock of blond hair earning him the name whitey a name he s said to despise. with his good looks and flamboyance, he imagined himself boston s version of hollywood gangster jimmy cagney. instead of red carpets, he was headed to alcatraz, a strin