The US is currently contemplating the acquisition of replacement heavy icebreakers. The global fleet of about 110 icebreakers is aging rapidly, and other Western nations with icebreaking needs such as Canada, Finland and Sweden have begun icebreaker renewal programs.
High volume hydraulic fracturing uses million and millions of gallons of water per well to extract natural gas from shale. During shale gas extraction, the water used is exposed to process chemicals plus metals and radon from the earth.
On this 225th birthday, as we celebrate all America's Coast Guard has accomplished, we remain rooted to our oath; an oath of selfless service, underwritten by the courage of our forbearers and worthy of the public trust.