Tom Glebas (left), vice president of VideoRay, provides training to Jay Kochuga, the dive program coordinator for the U.S. Army Corps of Engineers Pittsburgh District, and other district members on the VideoRay PRO 5, an underwater remote operated vehicle (ROV), at a lock and dam facility on the Allegheny River in Natrona, Pennsylvania, Sept. 22, 2021. This ROV model is new to the Pittsburgh District, equipped with a high-definition video and photo camera, a multibeam sonar, a claw that can rotate and grab objects, and a motor that is twice as powerful as the previous version to pilot through stronger currents. (U.S. Army Corps of Engineers photo by Michel Sauret)