U.S. Coast Guard Petty Officer 3rd Class Antonio Seisdedos, gunner's mate, aboard the USCGC Mohawk check the Mark 36 Super Rapid Bloom Off-board Chaff for correct voltage before firing. The Mark 36 SRBOC will be used during simulation training held aboard with other exercise participating vessels in the Caribbean Sea. PANAMAX is a multi-national exercise involving more than 4,500 personnel from 20 participating countries tailored to the defense of the Panama Canal.