Polar Class goes from PC1 to PC7 — and the first thing to remember is PC1 is the top ranking. This is particularly important ...

A high pressure system with a ridge over the Tasman Sea extends into northeastern New South Wales while a trough lies in the state's west, triggering widespread showers and thunderstorms. Meanwhile, a ...

As new sea passages open up, the commercial and defence possibilities are becoming irresistible. To take advantage, America desperately needs ships ...