Aquatic moss research on Crater Lake.Similar190502-N-LN093-1001 KOLONIA, Pohnpei (May 2, 2019)Petty Officer 1st Class Matt Ramirez, center, assignedMembers of SEAL Delivery Vehicle Team Two (SDVT-2) prepare to launch one of the team's SEAL Delivery Vehicles (SDV) from the back of the Los Angeles-class attack submarine USS Philadelphia (SSN 690).Builder 1st Class Carlos Hernandez, assigned to UnderwaterHospital Corpsman 1st Class James Aldridge and Builder 2nd Class Zach Schulte, assigned to Underwater Construction Team (UCT) 2, pump grout concrete into a fiberglass pile jacket.U.S. Navy divers with Mobile Diving and Salvage UnitMoreRelatedAquatic moss research on Crater Lake.Aquatic moss research on Crater Lake.Aquatic moss research on Crater Lake.Aquatic moss research on Crater Lake.Aquatic moss research on Crater Lake.Aquatic moss research on Crater Lake.MoreAquatic moss research on Crater Lake.file_downloadDownloadcrop_originalOrder Printrate_reviewdescriptionSummaryAquatic moss research on Crater Lake.label_outlineTagscrater lake national parkaquatic moss researchcrater lakenational parks galleryoregondate_rangeDate1916 - 2020createSourceNational Parks GallerylinkLinkhttps://npgallery.nps.gov/copyrightCopyright infoPublic Domain Dedication