This is a service award from the US Armed Forces that may be awarded to civilians or citizens of a foreign nation who participate in a U.S. Antarctic expedition on the continent at the invitation of a participating U.S. agency.
Shared with Terence Hughes and Carlos M. Duarte, for “their seminal contributions to our understanding of the world’s oceans, and their efforts to protect and conserve marine biodiversity and oceanic ecosystem services in a rapidly changing world"
