Zg546, NCB-115, Subic Bay 1945. Pontoons, as a Gator Sailor, I know a lot about pontoons. My Diving Barge in Da Nang Viet Nam was built of pontoons and it was my home on pontoon for a year. The assembly area of the pontoons was also located at the former Naval Maquinaya Rifle Range, now called Barrio Barretto. I love that Navy term “Honey Barge”, anyone like to guess what they for?