Naval Base Guam - A U.S. Sailor with 3rd Medical Battalion, 3rd Marine Logistics Group, tests a USS Theodore Roosevelt (CVN 71) Sailor for symptoms of COVID-19, on Naval Base Guam, Guam, April 8, 2020. Theodore Roosevelt is in Guam for a scheduled port visit for resupply and crew rest during their scheduled deployment to the Indo-Pacific. - Naval Base Guam - A U.S. Sailor with 3rd Medical Battalion, 3rd Marine Logistics Group, tests a USS Theodore Roosevelt (CVN 71) Sailor for symptoms of COVID-19, on Naval Base Guam, Guam, April 8, 2020. Theodore Roosevelt is in Guam for a scheduled port visit for resupply and crew rest during their scheduled deployment to the Indo-Pacific.

Hospital corpsmen lift a simulated casualty into M997 ambulance during a casualty evacuation drill at Marine Corps Air Station Futenma, Okinawa, Japan Dec. 8, 2015. The casevac course is two weeks long and gives the students a better understanding of what it means to be a corpsman. The corpsmen are with various units with III Marine Expeditionary Force. - Hospital corpsmen lift a simulated casualty into M997 ambulance during a casualty evacuation drill at Marine Corps Air Station Futenma, Okinawa, Japan Dec. 8, 2015. The casevac course is two weeks long and gives the students a better understanding of what it means to be a corpsman. The corpsmen are with various units with III Marine Expeditionary Force.

A landing craft air cushion-class hovercraft approaches Kin Blue, Okinawa, Japan, for a beach landing exercise, Oct. 27, 2015, during Blue Chromite 2016. Blue Chromite is a large-scale, cost effective on-island training event lead by 4th Marine Regiment, 3rd Marine division, III Marine Expeditionary Force. - A landing craft air cushion-class hovercraft approaches Kin Blue, Okinawa, Japan, for a beach landing exercise, Oct. 27, 2015, during Blue Chromite 2016. Blue Chromite is a large-scale, cost effective on-island training event lead by 4th Marine Regiment, 3rd Marine division, III Marine Expeditionary Force.