China

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

"Alexander Hamilton would be proud."

Rep. Joe Courtney, D-Conn., says he will propose a resolution that the U.S. sign the Law of the Sea treaty.

About 300 U.S. Marines and Navy sailors deployed last year to Soto Cano Air Base in Honduras.

Shanahan also announced that Pentagon Comptroller David Norquist would take on his former duties as Deputy Defense Secretary.

Senators voiced concern that the Pentagon's new defense strategy could hurt the counterterrorism mission in Afghanistan.

The Navy conducted two missions this week that rattled China.

The head of Pacific Air Forces Command said leaders are monitoring the buildup of surface-to-air missiles and other defenses.

China allowed a Hong Kong port visit of the carrier Reagan ahead of an economic summit this weekend.

The presence of the carriers Reagan and Stennis is part of the overall U.S. effort to counter China.