A westbound Union Pacific “van” train, led by EMD DDA40X “Centennial” No. 6917, approaches Dale Junction on a desolate spring day on Wyoming’s Sherman Hill in April 1984.

With over 15,000 horsepower up front, one of UP's hottest westbound symbols--the VAN--roars up the south track at Lugo with Centennial 6917 on the point.