Sgt. 1st Class Mark Patterson checks his men at Outpost Restrepo in Afghanistan, as documented in the new film Korengal. Outpost Films hide caption

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Men work on the Panama Canal locks near Panama City, on Feb. 21. An acrimonious financial dispute has slowed work on an expansion of the 100-year-old canal that will accommodate larger ships. The work is now expected to be completed next year. Rodrigo Arangua/AFP/Getty Images hide caption

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