Louisville District, U.S. Army Corps of Engineers McAlpine Locks and Dam employees including Mark Norton, Patrick Castro, Gary Chambers, Lance Yearby and John Henson (not pictured) were presented Commander's Coins by Maj. Gen. Robert Whittle Jr., U.S. Army Corps of Engineers Great Lakes and Ohio River Division Commander, for the team's quick response in rescuing an individual who was in distress, July 22.