Navy Petty Officer 1st Class David Partin, seated, receives his diving helmet that will attach to the collar he's already wearing before entry into the waters of Honolulu Harbor from the pier at Coast Guard Base Honolulu, July 30, 2015. Navy Petty Officer 1st Class David Partin, seated, receives his diving helmet that will attach to the collar he's already wearing before entry into the waters of Honolulu Harbor from the pier at Coast Guard Base Honolulu, July 30, 2015. SHARE: Download: Full Size (2.064335 MB) Tags: Photo Essays Credit: VIRIN: 204646-P-CPU15-306.jpg Photo Gallery