Sgt. Maj. Richard Lewallen, sergeant major of the 4th Marine Logistics Group, addresses the audience at the 4th MLG’s 2013 Yellow Ribbon Reintegration Program conference, May 18. The conference provided Marines and their families with advice and resources to help with pre- and post-deployment challenges, as well as how to adjust to a civilian workplace environment. - Sgt. Maj. Richard Lewallen, sergeant major of the 4th Marine Logistics Group, addresses the audience at the 4th MLG’s 2013 Yellow Ribbon Reintegration Program conference, May 18. The conference provided Marines and their families with advice and resources to help with pre- and post-deployment challenges, as well as how to adjust to a civilian workplace environment.