This deployment, like the previous one, was given over entirely to naval support for the American and South Vietnamese forces fighting against the VC/PAVN. The second tour lasted from 2 December 1966 to 4 January 1967 and consisted entirely of plane guard duty with in the Gulf of Tonkin. After repairs and upkeep at Subic Bay, "Stoddard" returned to Yankee Station on 17 January. For almost a month, she cruised on Tết Holiday patrol and participated in Operation Sea Dragon, the interdiction of enemy waterborne and coastal logistics operations. During this month, she sank 26 small waterborne logistics craft and dueled with shore batteries a number of times.