Antarctica

The National Ice Center is the only entity that monitors ice movement and formation across the globe.

Several months ago, the Trump administration presented a new national security and defense strategy for the polar regions.

Gen. Charles Q. Brown said he'd like to see a boost in "some of the capability we have, but don't have a lot of."

The Arctic convoys would play an important role, especially in the critical months between July and December 1941.

In freezing conditions on the southernmost continent, four airmen had one mission: Create an expanded communications network.

The weather conditions are treacherous. But that's to be expected for the Operation Deep Freeze mission in Antarctica.