 "Quartz" was part of Task Group 1 and 8, a supply and support group to the testing.After the detonation "Quartz" was towed to Kwajalein for study and monitoring.After verifying her free of radioactive contamination, the Navy sold her on 23 October 1947 to the Powell River Company, where she was permanently anchored with nine other hulls to form a breakwater protecting the Catalyst Paper mill log pond in Powell River, British Columbia.