Rights-managed stock phtotography. ....Use in advertising may require image editing to comply with US DoD regulations for promotional use (recognizable visible unit identifications, branch insignia, decorations, rank insignia may not be shown). ....Verify model release before publication in advertising or promotion. Reproduction without authorization by Hans Halberstadt or StockPhoto.US or other authorized agent is prohibited. USCG patrol boat conducts harbor security operations in San Francisco Bay. The boat is a 25ft Defender class capable of 45+ knots.