FORT HUACHUCA — Four members of B Troop — representing Fort Huachuca’s 1880s historic soldiers on horseback — returned from the National Cavalry Competition at Fort Reno, Okla., last month with top honors. “We cleaned house,” smiled Martina Peters, who has been a B Troop member for 12 years. “For a small group of all-volunteers, we did exceptionally well,” she added. B Troop, 4th Cavalry Regiment (Memorial), with Chris Zimmerman as program coordinator, came home with the Best Cavalry Unit honors, as well as the coveted Major Howze award, a mobility test consisting of a mock saber charge. The group...