Using a model of an abandoned Soviet era prison as a visual aid, Army Sgt. 1st Class Derek J. Ertmer (left), a Stockton, Illinois native serving as a platoon sergeant in Company B, 2nd Battalion, 503rd Infantry Regiment, 173rd Airborne Brigade briefs three Estonian soldiers from the Single Infantry Scouts Battalion about the objectives for a night raid training mission held Sep. 6-7 in Rummu, Estonia. The raid was part of Steadfast Javelin II, a NATO exercise involving more than 2,000 troops from nine nations conducting various training missions across Estonia, Germany, Latvia, Lithuania and P
PJF Military Collection / Alamy Stock Photo
Image ID: HENRHA
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