Air Force Maj. Dex Landreth, EELV Mission Integration Chief from Launch Systems Enterprise Directorate, looks through the countdown checklist, during a MDR (Manual Dress Rehearsal) Tuesday afternoon 11 Mar. 2019 inside the Delta Operations Center at Cape Canaveral Air Force Station, along Florida's Space Coast. During this time, the launch team performs communication checks and configures the LCC for the upcoming WGS-10 launch. The launch window opens Mar. 15 at 6:56 EDT.

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Photo credit: © Nelly George / Alamy / Afripics
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Keywords: archive, armed, defence, forces, military, reportage, servicemen, smc, usa, wgs-10