USS Grouse (AMS-15) USS Grouse (AMS-15) The USS "Grouse" (AMS-15/YMS-321) was a built for the United States Navy during World War II. The ship was laid down as "YMS-321" on 29 August 1942 by Al Larson Boat Shop Inc. of Terminal Island, California, launched 20 February 1943, sponsored by Mrs. H. Doty. The ship was completed and commissioned as "USS YMS-321", 25 October 1943 with Lt. (j.g.) Newman in command. After shakedown and patrol out of San Diego, California, "YMS-321" sailed for Pearl Harbor 21 April 1944, arriving 1 May. A month later she sailed for sweeping and patrol duties in the Guam-Saipan-Tinian
Grouse Mountain of the nearby Grouse Mountain Resort. McPherson also supervised the FMCBC-sponsored first rebuild of the Grouse Grind in the early 1990s, which Grouse Mountain Resort assisted with. Between 2010 and 2015, the rebuild of much of the Grind as rock and wood stairs, plus annual trail maintenance, contributed to the length of the Metro Vancouver seasonal closure of the Grind for six to seven months during winter and spring. The land is owned by the Greater Vancouver Water District (GVWD) arm of Metro Vancouver, but as of May 1, 2017, 185 acres was designated a Metro Vancouver Regional Park. The