Cruise report. EX-15-04 Leg 1. CAPSTONE NWHI & Johnston exploration mapping, July 10, 2015 to July 24, 2015. Pearl Harbor, HI to Pearl Harbor, HI.

EX-15-04 Leg 1 was an exploratory mapping expedition that commenced on July 10, 2015 in Pearl Harbor, HI and concluded on July 24, 2015 in Pearl Harbor, HI. EX-15-04 Leg 1 focused on ocean mapping of the Johnston Atoll unit of the Pacific Remote Islands Marine National Monument (PRIMNM) for baseline characterization. The cruise was part of the multi-year Campaign to Address Pacific monument Science, Technology, and Ocean NEeds (CAPSTONE). NOAA priorities for the CAPSTONE campaign include a combination of science, education, outreach, and open data objectives that will support management decisions at multiple levels.