Sgt. Kevin Chambers, a plumber, 176th Engineer Company gives a thumbs up after passing mile post 10 during the 12 mile ruck march during the 2018 Best Warrior Competition at Joint Base Lewis-McChord on Sept. 7, 2018. U.S. Marine Corps/ Lance Cpl. Megan Brown I Marine Expeditionary Force Change of Command By Jared Keller on July 31, 2018 T&P on Facebook Enter to win a year's worth of mortgage or rent payments! BBMC's annual "We've Got Your Six Sweepstakes" is now open to veterans, active duty, and spouses. Learn more and enter.