Kinzer flew with Scouting Squadron 5 in the Battle of the Coral Sea. He contributed to the sinking or damaging of eight Japanese vessels in Tulagi Harbor on 4 May 1942 and the sinking of the Imperial Japanese Navy aircraft carrier Shōhō on 7 May 1942. On 8 May 1942, while piloting his dive bomber on anti-torpedo plane patrol during the battle, he died while engaging Japanese aircraft. He was posthumously awarded the Navy Cross.
Completing overhaul, Kinzer departed San Pedro on 6 September 1945, disembarked passengers at Pearl Harbor, Guam, and Ulithi Atoll, and arrived at Manila on Luzon in the Philippine Islands on 13 October 1945. On 23 October 1945 she departed for Haiphong, French Indochina, where she embarked Chinese troops for transfer to northern China. From 7 November 1945 to 22 April 1946, Kinzer redeployed Chinese troops in northern China and called at the ports of Chinwangtao, Qingdao, and Taku in China, Hulutao in Manchuria, and Jinsen, Korea. During this time, she served as flagship for Commander, Landing Ship Tank Flotilla 15.
Kinzer cleared Qingdao on 25 April 1946 for the United States, calling at Guam and Pearl Harbor en route and arriving at San Pedro on 17 May 1946.
Kinzer was stricken from the Navy List on 1 March 1965, and on 21 April 1965 was sold to the Republic of China under the Military Assistance Program. She was commissioned by the Republic of China Navy as a frigate, serving as ROCS Yu Shan (PF-32) and receiving a second single 5" turreted gun aft. Her landing craft davits were also replaced with a Sea Chaparral surface-to-air missile launcher in 1983. Yu Shan is known have remained active as a fisheriespatrol vessel as recently as 1998.