U.S. Coast Guard Aids to Navigation Team Astoria crew members and an MH-60 Jayhawk helicopter crew from Sector Columbia River prepare to hoist concrete containers in Astoria, Oregon, Wednesday, Aug. 18, 2021. Both crews conducted the concrete pour training to prepare for an upcoming rebuild project where they will pour a base for new navigation aids. (U.S. Coast Guard photo by Petty Officer 3rd Class Diolanda Caballero)