Tim Williams, a research test pilot with NASA’s HyspIRI preparatory campaign, breathes 100 percent oxygen to prepare for an ER-2 aircraft flight, Marine Corps Air Station Kaneohe Bay, Feb. 2, 2018. The campaign’s goal is to gather environmental data from the Hawaiian Islands, such as coral reef health and volcanic activity, to ultimate pave the way for the deployment of a satellite sharing the same mission. ( Marine Corps

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