Background
Ringness was born on 17 August 1912 in Morris, Minnesota, was appointed First Lieutenant, Medical Corps Reserve, United States Army, on 14 June 1939.
Ringness was born on 17 August 1912 in Morris, Minnesota, was appointed First Lieutenant, Medical Corps Reserve, United States Army, on 14 June 1939.
On 28 June 1939 Ringness resigned from the United States. Army to accept a commission in the United States. Navy. He was commissioned as a regular assistant surgeon with rank of lieutenant, junior grade from 7 July 1941. He served at the Naval Medical School in Washington, District of Columbia, at Naval Air Station Pensacola at Pensacola, Florida, and in the First Marine Aircraft Wing, Fleet Marine Force.
He was promoted to lieutenant on 15 June 1942.
Ringness served on Guadalcanal during the Guadalcanal campaign in 1942, and was mortally wounded during the Japanese battleship bombardment of Henderson Field on the night of 13–14 October 1942. Despite his wounds, he continued to assist other wounded personnel.
Three days later, on 17 October 1942, he died as a result of his injuries. The United States. Navy destroyer escort United States Ship Ringness (Delaware-590) was named for Lieutenant Ringness.
During construction she was converted into the fast transport United States Ship Ringness (APD-100), and was in commission as such from 1944 to 1951.
Ringness received the Navy Cross posthumously. The award citation reads: for extraordinary heroism as Flight Surgeon of a Marine Aircraft Group during action against enemy Japanese forces on Guadalcanal on the night of 13–14 October 1942. When a hostile task force moved in off our beachhead and commenced a vigorous bombardment of the island airfield, Lieutenant Ringness, trapped in a foxhole in the camp area by the sporadic bursting of shells, was mortally wounded by a near miss which killed four of his companions and wounded four others Although completely paralyzed in the lower half of his body and suffering great pain because of his immobility, he persisted in administering morphine and blood plasma to wounded personnel until he was finally evacuated to a base hospital.