An underwater demolition swimmer checks his swim fins and face mask, during UDT operations at Balikpapan, 3 July 1945. Name on his trunks is "Hopper". Photographed by Lieutenant Junior Grade C.F. Waters. Note tattoos. [The swimmer is identified at <a rel="nofollow" class="external free" href="https://coffeeordie.com/bill-hopper-wwii-frogman/">https://coffeeordie.com/bill-hopper-wwii-frogman/</a> as actor <a href="https://en.wikipedia.org/wiki/William_Hopper" class="extiw" title="w:William Hopper">William Hopper</a>.]
US Navy
<a rel="nofollow" class="external free" href="https://www.history.navy.mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/80-G-274000/80-G-274693.html">https://www.history.navy.mil/our-collections/photography/numerical-list-of-images/nhhc-series/nh-series/80-G-274000/80-G-274693.html</a>