The investigation found that a small- to mid-seized North Korea sub "fired the torpedo that sunk the Cheonan vessel and retreated back to their border, " Yoon said.

CNN: S. Korea vows measures against N. Korea

Seery, an American expat who has spent 30 years in Indonesia, crafted the tropical-hardwood vessel herself, supervising a small army of Sulawesi boat builders.

FORBES: Far Away

The two Weston-super-Mare crews were called out after several 999 calls reporting of a small vessel apparently in trouble near Birnbeck Island.

BBC: RNLI rescue near Birnbeck Pier, Somerset

Their vessel for this apparently suicidal mission was a small lifeboat, the 22-foot James Caird (named after one of the expedition's sponsors).

ECONOMIST: Antarctic exploration