The USS Hartford is a submarine which has been converted from a war machine to a underwater laboratory. Here it is breaking through the pack ice at the Arctic Circle for ICEX 2016, a 5 weeks exercise in surviving cold weather conditions.
The USS Hartford is a submarine which has been converted from a war machine to a underwater laboratory. Here it is breaking through the pack ice at the Arctic Circle for ICEX 2016, a 5 weeks exercise in surviving cold weather conditions.