ROCK ISLAND ARSENAL, Illinois -- (Jan. 7, 2020) Command Sgt. Maj. Tisa Scott took over from outgoing Command Sgt. Maj. Brian Heffernan as command sergeant major for U.S. Army Garrison Rock Island Arsenal in a ceremony at 10 a.m. Jan. 7 in the Arsenal's Heritage Hall.Garrison Commander Col. Stephen Marr praised Heffernan for his works while serving as the Garrison command sergeant major."It's been my honor to serve with him for the past 18 months," Marr said. "I've learned from him him -- he's been impactful on my career."Marr said Heffernan has an innate ability to "seek out, nurture and grow those things that benefit Rock Island Arsenal and its surrounding communities." He praised Heffernan for his efforts in improving access to the Arsenal, helping veteran's gain access to veteran programs, originating the annual "Run the Rock" race on the Arsenal, "and even a taco truck.""Organizing events like this require passion, energy, and commitment," Marr said. "Whenever Command Sgt. Maj. Heffernan was involved, passion, energy, and commitment were not in short supply."Heffernan thanked the surrounding communities for supporting him during his time as command sergeant major."Shoulder to shoulder we fought together and made this a better community," he said. "Nothing gets done alone -- everything is from a team effort. Heffernan said being part of the Army has been, other than the birth of his children, the most important thing in his life."Incoming command sergeant major, Scott thanked Heffernan for his guidance during her transition to her new job. "I look forward to work with our team as we serve the Arsenal and the surrounding communities," she said.