March 2016ContentsVolume 59 • Number 2Mike Smith Photo/Nautilus Minerals Inc.On the Cover56 Digging DeepSoil Machine Dynamics (SMD) has delivered three Sea? oor Production Tools to Nautilus 42Minerals, Inc. The story, and NOAA/IOOSsome amazing photos, reside on page 56. 28 Sea? oor MappingThe evolution of ocean exploration continues with sea? oor mapping with Geodesy.28By Kira Coley38 Robots & Marine ConservationUnderwater robotics grow increasingly important in marine conservation.image/global_grav_md.jpghttp://topex.ucsd.edu/grav_outreach/By Kira Coley42 $7B & Counting38NOAA released its report which aims to give shape and size to the U.S. Ocean Enterprise, a collective entity estimated to be in excess of $7 billion annually. By Greg Trauthwein52 Subsea Engineering4D seismic technology is being used for Permanent Reservoir Monitoring (PRM), which is showing results offshore Brazil. By Claudio PaschoaMarch 20162 MTRMTR #2 (1-17).indd 2 2/22/2016 12:10:52 PM