AMO and Coast Guard Maritime Missions Are Not Duplicative, but Could Improve with Better Coordination [open pdf - 2MB]
"Within the Department of Homeland Security, U.S. Customs and Border Protection's (CBP) Air and Marine Operations (AMO) and the United States Coast Guard (Coast Guard) share responsibility for maritime security missions. At the request of Congress, we reviewed the maritime missions and responsibilities of AMO and the Coast Guard. We made two recommendations to improve oversight and coordination of maritime operations."
Department of Homeland Security, Office of Inspector General, Report No. OIG-17-03
Department of Homeland Security, Office of Inspector General: https://www.oig.dhs.gov/