![](http://www.alamy.com/thumbs/6/282089F9-457C-4B0B-A155-567A5EC5F373/2GKPXX8.jpg)
First Lt. Samuel Joo, a medical surgical nurse with Army Medical Department Activity - Korea, assembles and performs a functions check on his M4 Carbine, as part of the Regional Health Command - Pacific best leader competition, at Joint Base Lewis-McChord, Wash., June 16, 2021. The second full day of this four-day challenge also included land navigation exercises in addition to constructing individual fighting positions.
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Photo credit: © Operation 2021 / Alamy / Afripics
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Keywords: madigan, mamc, meddac, phcp, rhcpacific