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Coast Guard Reserve crews from three Port Security Units and Maritime Expeditionary Security Squadron (MSRON) conduct exercise “Poseidon’s Domain” along the northeast coast of Puerto Rico from April 8-25, 2024. The exercise trained crews from PSUs 305, 307, 309 and MSRON on functions in support of national defense and homeland security missions. ( Coast Guard photo by Petty Officer 3rd Class Jamie Emery)
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Keywords: coast, domain, guard, poseidons, psu, reserve, uscg