Two groups published a paper saying that vets who served on Guam between 1962 and 1975 likely were exposed to herbicides.
The captain was relieved of command of the aircraft carrier on April 2.
The Air Force has ended its 16-year mission to keep strategic bombers in Guam to reassure allies and act as a deterrent.
Medical personnel will take a nasal swab sample and blood tests for sailors on the carrier, which remains docked in Guam.
The sailor was reportedly caught on security camera footage while leaving his room.
Fourteen aircraft paraded in a formation known as an "elephant walk" along the runway at Andersen Air Force Base.
A sailor who was moved to an intensive care unit in Guam last week has died from the disease caused by the novel coronavirus.
About 230 Marines and sailors arrived in Guam this week to support members of the aircraft carrier Theodore Roosevelt.
3,000 native islanders on Guam are expected to get compensation from the U.S. for their suffering at the hands of Japan.
Two MQ-4C Triton drones have arrived in Guam as part of the U.S. Navy's first-ever deployment of the unmanned aerial vehicle.