U.S, Army To Support Trailblazer Adventure Program The U.S. Army Marksmanship Unit has signed on as a supporter of the U.S. Sportsmen’s Alliance Foundation’s Trailblazer Adventure Program. The partnership will allow Trailblazer participants to actually learn skeet, trap and double-trap shooting techniques from Army experts. The marksmanship unit joins NSSF and numerous other businesses and organizations in supporting the program, which exposes youths and families to shooting and other outdoor activities.