Members of the International Maritime Security Construct (IMSC) monitor an unmanned surface vessel from their headquarters in Manama, Bahrain, Jan. 8, during exercise Sentinel Shield. Sentinel Shield is a monthly exercise series organized by IMSC to enhance communication and coordination among partner naval forces.

Photo by: Mass Communication Specialist 2nd Class Jacob Vernier |  VIRIN: 230108-N-EG592-1007.JPG