 Arriving in the Tonkin Gulf on 3 July, "Herbert J. Thomas" began three weeks of positive identification and radar advisory zone (PIRAZ) duty (air traffic coordination) as well as the occasional shore bombardment mission.Following a port visit to Sasebo in early August, the warship conducted another three-week PIRAZ tour before putting in at Hong Kong on 15 September.She conducted one more shore bombardment patrol in October before turning for home on 1 November, arriving in San Diego via Subic Bay, Guam, Midway, and Pearl Harbor on 23 November.