Staff Sgt. Jesse Sosa, 89th Maintenance Group flying crew chief, works in a very tight space to remove a faulty uninterrupted power supply that controls C-40B communications systems at Joint Base Andrews, Maryland, Feb. 3, 2017. FCCs fly on all C-40B and C-32A missions for the 1st Airlift Squadron, and perform maintenance on the ground or in the sky; and in this case, Sosa’s expert troubleshooting and repairs of the C-40B comms system enabled a four-day European mission to launch.

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Photo credit: © Conner Flecks / Alamy / Afripics
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Keywords: -40b, 1st, 89th, airlift, archive, armed, boeing, defence, forces, fox, group, maintenance, military, reportage, sam, servicemen, squadron, usa, wing