As executive officer, Volvkmann's duties were to plan and conduct guerrilla activities behind North Korean lines.

Each is capable of transporting 10,000 soldiers per hour behind South Korean defensive lines, and the biggest can accommodate jeeps and artillery.

Northeast of P'ohang-dong along the South Korean line the terrain was especially treacherous, and movement in the region was extremely difficult.

In 1952 he had been caught trying to escape back to South Korean lines and was sentenced by court martial to 13 years in prison.

Five Chinese, Japanese and Korean lines are exploring an alliance in an effort to reverse the recent slide in freight rates.

They counted on the rapid tides of the strait and their numerical advantages to break through the Korean line.

These activities included maritime operations behind North Korean lines.

These paramilitary teams were responsible for numerous maritime raids and ambushes behind North Korean lines, as well as prisoner of war rescue operations.

The UN counterattack at Inchon collapsed the North Korean line and forced them back on all fronts.