on 1 june 1958, the radar picket escort ship's home port was changed to pearl harbor; and it began operating with cortron 7. one month later, it departed hawaiian waters for a 29-day patrol on the mid-ocean picket lines which provided radar coverage from alaska to midway atoll. "vance" thus became the first ship on the distant early warning (dew) line in the pacific and the first to sail under the newly organized pacific barrier patrol. in mid-january 1959. following routine overhaul and refresher training at pearl harbor, "vance" again took station on the mid-pacific stretch of ocean on its second dew-line deployment.