Ironbottom Sound

Ironbottom Sound is a specific stretch of ocean located in the Solomon Islands. It sits at the southern end of a passage known as The Slot. This area is bounded by Guadalcanal, Savo Island, and the Nggela Islands. Before the events of World War II, the area was known as Savo Sound. Today, the name Ironbottom Sound serves as a memorial to history. It describes a seabed filled with the remains of many sunken vessels.

The name comes from the intense naval actions during the Guadalcanal Campaign. This campaign lasted from 1942 through 1943. During this time, many ships and planes were lost in these waters. The concentration of wreckage is so high that sailors gave the area its descriptive name. The Sound became a graveyard for both Allied and Japanese forces.

Naval combat in the Sound occurred in several distinct stages. The fighting began with the Battle of Savo Island on August 9, 1942. This was followed by the Battle of Cape Esperance from October 11 to 12, 1942. In November 1942, two major engagements occurred. These were the First Naval Battle of Guadalcanal on November 13 and the Second Naval Battle of Guadalcanal on November 15. Later, the Battle of Tassafaronga took place on November 30, 1942. The final major action mentioned is Operation I-Go, which occurred between April 1 and April 16, 1943.

Many different types of vessels were lost during these battles. Over 50 vessels sank in the Sound during the Guadalcanal Campaign alone. Japanese losses included the Kongō-class battlecruiser and Fubuki-class destroyers. Allied forces also lost many ships, including heavy cruisers and light cruisers. Some losses involved smaller craft like Benson-class and Gleaves-class destroyers. Even small PT boats, which are fast patrol torpedo boats, were lost in surface combat or air attacks.

Ships were lost through many different methods of combat. Some vessels were sunk by torpedoes from other ships or aircraft. Others were lost to gunfire from enemy destroyers. Some ships did not sink in deep water but instead ran aground. For example, the Kinugawa Maru was a military transport that beached and was lost to an air attack.

One Japanese submarine was even rammed by ships from the Royal New Zealand Navy.

Some wrecks in the Sound have had unique uses after the war. In September and October 1944, a specific wreck was used for military testing. It served as a target for the TDR-1 Drone. This testing was conducted by STAG-1, which was based at North Field on the Russell Islands. This was part of a top-secret project to test America's first guided missile. This shows how the remains of the war continued to be used for technological development.

Today, the Sound is a place of solemn remembrance. Every year, on the anniversary of the battle, a United States ship cruises into the area. The crew drops a wreath into the water to commemorate the men who lost their lives.

This tradition honors the many sailors and soldiers from both sides of the conflict. The history of Ironbottom Sound remains a significant part of naval history and the geography of the Solomon Islands.