Sentences with phrase «u.s. icebreaker»

The U.S. icebreaker Healy and Canada's Louis St. Laurent tag team their ice breaking duties: one goes ahead and the other collects data.

As the largest U.S. icebreaker, the Healy measures 420 feet long and plies the seas with 30,000 horsepower of diesel electric propulsion.

The panelists had flagged other issues that fall somewhat out of NSF's sole purview, including the need to restore the U.S. icebreaker fleet to supply McMurdo and concerns over sufficient high - bandwidth communications from the continent, particularly with regard to data - intensive projects such as the IceCube Neutrino Observatory and the South Pole Telescope.

McMurdo was once serviced by U.S. icebreakers, but the country's fleet has dwindled to just one operational vessel, the research ship Healy.

NSF officials are trying to increase fuel storage capacity and conserve energy in an effort to reduce the need for the annual resupply of McMurdo Station, a worsening logistical challenge given the aging fleet of U.S. icebreakers.

Not exact matches

Newly returned from riding along on the U.S. Coast Guard's Healy icebreaker as it surveyed the Chukchi Sea northwest of Alaska, Vermont Law School professor Betsy Baker reports a failure of science and law to communicate.

Within days of the twin Mir descent, the U.S. Coast Guard had dispatched the icebreaker Healy north of Alaska to spend nearly a month mapping the Arctic Ocean's floor; Canada commenced a 10 - day military exercise called a «sovereignty operation»; and the Danes sent scientists to map the seabed north of Greenland.

The Chinese icebreaker Xuelong has been studying multiyear sea ice in the Arctic Ocean, and the U.S. Coast Guard is sounding waters to determine the extent of the Alaskan continental shelf.

No U.S. polar icebreakers are currently available to support McMurdo, the logistics hub for U.S. operations on the southern continent.

The Polar Star, a heavy - duty icebreaker operated by the U.S. Coast Guard, has been undergoing extensive renovations and is slated to be operational by the 2013 - 14 season.

To help scientific and other craft navigate these frozen waters, the U.S. Coast Guard employs a small fleet of icebreakers — powerful ships with reinforced hulls that clear the way for other vessels.

That is when mammoth icebreakers like the U.S. Coast Guard Cutter Polar Star arrive in Antarctica's McMurdo Sound as part of Operation Deep Freeze to open up the shipping lanes needed to resupply the National Science Foundation's McMurdo Station and other facilities on Ross Island.

In November, the U.S. Coast Guard icebreaker Healy helped deliver an emergency load of fuel oil to icebound Nome, Alaska.

The nation has very limited icebreaker capability, which could limit the U.S. ability to train, operate, and engage in the Arctic....

In addition, for Arctic national security operations, the U.S. Coast Guard should have operational control of the nation's three icebreakers, rather than the National Science Foundation.

If their belief is the globe is actually cooling and the Arctic is not melting rapidly they must feel the U.S. would just be wasting time and money being concerned about the «icebreaker gap.»

By: The National Academies Staff The National Academies of Sciences, Engineering, and Medicine Committee on Polar Icebreaker Cost Assessment released a report in July that advises the U.S. Congress on strategies to minimize life - cycle costs of polar icebreaker acquisition and oIcebreaker Cost Assessment released a report in July that advises the U.S. Congress on strategies to minimize life - cycle costs of polar icebreaker acquisition and oicebreaker acquisition and operations.

29 July: KATU: 13 demonstrators hang from Portland bridge to block Shell ship «They are creating a human barricade so that the Shell icebreaker can not get through,» said Annie Leonard, the executive director of Greenpeace U.S. «They are prepared to stay up there for days because that's what it is going to take to save the arctic.»