The Ross Ice Shelf at the Bay of Whales. This is the southern-most navigable point on the planet and the point where Amundsen started his successful trek to the South Pole. 78 30 S Latitude 164 20W Longitude.

The Ross Ice Shelf at the Bay of Whales. This is the southern-most navigable point on the planet and the point where Amundsen started his successful trek to the South Pole. 78 30 S Latitude 164 20W Longitude.

The Ross Ice Shelf at the Bay of Whales. This is the southern-most navigable point on the planet and the point where Amundsen started his successful trek to the South Pole. 78 30 S Latitude 164 20W Longitude.

The Ross Ice Shelf at the Bay of Whales. This is the southern-most navigable point on the planet and the point where Amundsen started his successful trek to the South Pole. 78 30 S Latitude 164 20W Longitude.

Icebergs grounded on Pennel Bank

The Ross Ice Shelf at the Bay of Whales. This is the southern-most navigable point on the planet and the point where Amundsen started his successful trek to the South Pole. 78 30 S Latitude 164 20W Longitude.

Thin rafted sea ice

Drifting hard hat overboard in the Ross Sea in the midst of newly forming ice.

Seal resting on sea ice at the Bay of Whales

The Ross Ice Shelf at the Bay of Whales. Research Vessel Ice Breaker (RVIB) NATHANIEL B. PALMER in the background.

The Ross Ice Shelf at the Bay of Whales. This is the southern-most navigable point on the planet and the point where Amundsen started his successful trek to the South Pole. 78 30 S Latitude 164 20W Longitude.

Makeshift profiling Conductivity/Temperature/Depth profiler using a SeaBird 21 recording CTD on a trainwheel.

Makeshift profiling Conductivity/Temperature/Depth profiler using a SeaBird 21 recording CTD on a trainwheel.

Makeshift profiling Conductivity/Temperature/Depth profiler using a SeaBird 21 recording CTD on a trainwheel.

Makeshift profiling Conductivity/Temperature/Depth profiler using a SeaBird 21 recording CTD on a trainwheel.

30 liter niskin bottle being lowered over the side of the NATHANIEL B. PALMER to collect water samples.

Hydro wire over the side of the NATHANIEL B. PALMER

Open water wake in the sea ice.

Open water within the sea ice pack.

Open water wake in the sea ice.

One of the many forms of sea ice

Small pancake ice

Pancake ice adrift on the Ross Sea

Pancake ice adrift on the Ross Sea

Pancake ice adrift on the Ross Sea

Pancake ice adrift on the Ross Sea

Pancake ice adrift on the Ross Sea

Mount Melbourne near Terra Nova Bay Antarctica. 74 21 S Latitude 164 42 E Longitude.

Royal Society Mountain Range in the Transantarctic Mountains across from McMurdo Sound on Ross Island. 78 10 S Latitude 162 40 E Longitude.

Iceberg drifting in the Ross Sea

Icebergs grounded on Pennel Bank

Icebergs grounded on Pennel Bank

Icebergs grounded on Pennel Bank

Icebergs grounded on Pennel Bank

Icebergs grounded on Pennel Bank

Icebergs grounded on Pennel Bank

Icebergs grounded on Pennel Bank

Pancake ice adrift on the Ross Sea.

Pancake ice adrift on the Ross Sea.

Pancake ice adrift on the Ross Sea.

Pancake ice adrift on the Ross Sea.

Pancake ice adrift on the Ross Sea.

Sunset over the Ross Sea.

Pancake ice adrift on the Ross Sea.

The NATHANIEL B. PALMER moving through pancake ice

Nighttime operation of collecting thin sea ice cores for analysis.

Lyttleton Harbor, New Zealand. Home port for the NATHANIEL B. PALMER

Hanging out on the bridge of the NATHANIEL B. PALMER

Entering Lyttleton Harbor, New Zealand. Home port for the NATHANIEL B. PALMER

Recovering a RDI upward-looking Acoustic Doppler Current Profiler near the Ross Ice Shelf