SCOTT SIMON, HOST:
This is WEEKEND EDITION from NPR News, I'm Scott Simon.
This week, U.S. Marines landed in northern Australia. Just a couple hundred Marines, but they are the first wave of a deployment that will eventually increase to 2,500.
The Chinese military has expressed disapproval. Last fall, an official with the Chinese Defense Ministry said the U.S. military build-up in the region reflected a Cold War mentality.
We're joined now from Canberra, by the U.S. Ambassador to Australia, Jeffrey Bleich.