Green Entry Soldiers board an Army CH-47 Chinook helicopter during a Joint Force Entry exercise at Fort Polk, La., Oct. 22, 2020. Soldiers certified for deployment to build interoperability with key allies and partners. SHARE IMAGE: Download Image: Full Size (0.39 MB) Tags: Army Photo By: Army Sgt. Sarah Sangster VIRIN: 201022-A-XP872-055M.JPG Photo Gallery