Marines sing cadence during a battalion three-mile motivation run along the Physical Fitness Test Track, April 4, 2014. “When you see the companies get together like this, it builds morale and brings the Marines together,” said Cpl. Paul Kelley, military working dog handler, Provost Marshal’s Office, Headquarters Battalion. - Marines sing cadence during a battalion three-mile motivation run along the Physical Fitness Test Track, April 4, 2014. “When you see the companies get together like this, it builds morale and brings the Marines together,” said Cpl. Paul Kelley, military working dog handler, Provost Marshal’s Office, Headquarters Battalion.