Petty Officer 1st Class Christopher Juelsgaard, assigned to Mobile Diving and Salvage Unit 2, deployed as part of Combined Task Group 56.1, instructs Pakistan navy divers and Special Service Group sailors on the Mk 16 Mod 1 Underwater Breathing Apparatus. CTG 56.1 provides maritime security operations and theater security cooperation efforts in the U.S. 5th Fleet area of responsibility.