He received the Navy Cross and Silver Star for conspicuous gallantry and extraordinary heroism as commanding officer of USS Sigsbee from May 1944 to October 1945.

His father, William Chung-Hoon Jr., was a county treasurer and his mother Agnes Punana, a Hawaiian, was a member of the Kaʻahumanu Society.

In the spring of 1945, Sigsbee assisted in the destruction of 20 enemy planes while screening an aircraft carrier strike force off the Japanese island of Kyūshū.

"[12] For Chung-Hoon's service aboard Sigsbee he received the Navy Cross and the Silver Star for conspicuous gallantry and extraordinary heroism.

[11] After Sigsbee was inactivated following the end of the war, Chung-Hoon was transferred to Pearl Harbor in November as officer in charge of the Special Activities Division of Service Force, Pacific Fleet, responsible for various administrative duties.

[20] He made a foray into politics by running as a Republican for one of the four seats representing the Hawaii 7th State Senate District in 1966, but finished fifth in the primary.

[27] He married his third wife, travel consultant Jean Carlisle (died 2001), in January 1961, adopting her son, Perry White; Chung-Hoon was otherwise childless.

SIGSBEE (DD-502), a unit of an Advanced Picket Group, in action against enemy Japanese forces in the vicinity of Okinawa, Ryukyu Islands, on 14 April 1945.

Afterwards, he supervised damage-control procedure which resulted in his ship being made sea-worthy for a safe return to port under its own restored power.

Commander Chung-Hoon's gallant fighting spirit, courage and unwavering devotion to duty were in keeping with the highest traditions of the United States Naval Service.