Qualla: Battle of the Pusan Perimeter

Battle of the Pusan Perimeter: Introduction

Sat, 14 Mar 2026 00:00:00 GMT

Photo credit Leomonaci98, CC BY-SA 3.0. By early August 1950, the Korean War was six weeks old and nearly over. North Korean forces had swept south with stunning speed, capturing Seoul in three days and pushing the remnants of the South Korean army and their hastily deployed American allies into a shrinking pocket around the port city of Busan. What followed was one of the twentieth century's great defensive stands -- six weeks of unrelenting combat along a 140-mile perimeter that would determine whether South Korea survived at all.

Image: Leomonaci98 | CC BY-SA 3.0

Battle of the Pusan Perimeter: Backs to the Sea

Sat, 14 Mar 2026 00:00:00 GMT

Photo credit PFC Wayne H. Weidner, Public domain. The Pusan Perimeter was not a planned defensive position so much as the place where retreat finally stopped. To the west, the Naktong River provided a natural barrier -- about 1,300 feet wide and six feet deep in most places, fordable by infantry but impassable for vehicles witho...

Image: PFC Wayne H. Weidner | Public domain

Battle of the Pusan Perimeter: Holding the Line at Every Point

Sat, 14 Mar 2026 00:00:00 GMT

Photo credit 下一次登录, Public domain. The North Korean strategy was to attack all four entry points into the perimeter simultaneously. In the south, they probed the pass through Masan. In the west, they crossed the Naktong at its great westward bend in an area known as the Naktong Bulge. In the north, they drove towa...

Image: 下一次登录 | Public domain

Battle of the Pusan Perimeter: The Lifeline and the Stranglehold

Sat, 14 Mar 2026 00:00:00 GMT

Photo credit Uri Tours, CC BY-SA 2.0. What ultimately decided the battle was logistics. Busan's port was the UN's lifeline, and it functioned brilliantly. Hundreds of ships arrived each month -- 230 in July, steadily increasing thereafter -- bringing tanks, artillery, ammunition, and fresh troops. A supply system mod...

Image: Uri Tours | CC BY-SA 2.0

Battle of the Pusan Perimeter: Breakout

Sat, 14 Mar 2026 00:00:00 GMT

Photo credit Department of Defense. Department of the Army. Office of the Deputy Chief of Staff for Operations. U.S. Army Audiovisual Center. ca. 1974-5/15/1984, Public domain. While Walker's Eighth Army held the perimeter, General MacArthur planned the stroke that would end the siege. On September 15, UN forces launched an amphibious assault at Inchon, far behind the North Korean lines. The following day, the Eighth Army broke out of the perimeter. The...

Image: Department of Defense. Department of the Army. Office of the Deputy Chief of Staff for Operations. U.S. Army Audiovisual Center. ca. 1974-5/15/1984 | Public domain