An official website of the United States Government 
Here's how you know

Official websites use .gov

.gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS

A lock ( lock ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Videos

Videos of what’s happening in the Defense Department.

Play Play

Powering the Ohio River: The "Black Lions" on mission

  • U.S. Army Corps of Engineers, Louisville District
  • May 12, 2026 | 2:07

Cannelton, Ind. - U.S. Army Soldiers assigned to Bravo Company, 249th Engineer Battalion (Prime Power), conduct circuit breaker maintenance, May 12, 2026 at Cannelton Locks and Dam in Cannelton, Indiana. The soldiers, know as the "Black Lions," performed technical inspection and testing on critical electrical infrastructure to support the U.S. Army Corps of Engineers, Louisville District civil works operations and ensure uninterrupted river navigation. (U.S. Army Corps of Engineers video by Charles Delano)