Yom Kippur, 1965, I was a Navy medical officer stationed aboard a destroyer off the coast of Vietnam.
There are many elements which make the High Holy Days a unique experience. Often, congregations swell to double or triple their usual size, the musical settings of even common liturgy are different, and some might alter their dress by wearing either traditionally all-white garments or more formal wear than they would sport on Shabbat. Some congregations even have unique garments to dress their Torah scrolls in white.
Although we may think time moves in a linear fashion, Jewish holidays insert themselves in unexpected moments and places, seemingly out-of-sync with our expectations.