SCHRIEVER AIR FORCE BASE, Colo. -- Lt. Col. Rena Nicholas, 460th Medical Group, Buckley, AFB, Colorado, addresses the audience during a visit to Schriever AFB Friday, 27 October, 2017. Col. Nicholas presented a briefing to 50th Space Wing members during Wingman Day regarding the benefits of healthy sleep habits supporting shift workers. ( Air Force Photo/Dennis Rogers)

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Keywords: day, wingman