Lieutenant General Rex C. McMillian, commander of Marine Forces Reserve and Marine Forces North and Guy McIntyre, retired offensive lineman from the 49ers and director of alumni relations, discuss the history of the 49ers at Levi’s Stadium, Nov. 4, 2016. McMillian was invited to observe a 49ers’ practice session in preparation for Sunday’s “Salute to Service” game against the New Orleans Saints at Levi’s Stadium. The half-time show of Sunday’s game will recognize the Marine Forces Reserve Centennial. Today, approximately 500 Reserve Marines are providing fully integrated operational support to Fleet and Combatant Commanders around the world. For more information on the history and heritage Marine Forces Reserve as well as current Marine stories and upcoming Centennial events, please visit www.marines.mil/usmcr100. (U.S. Marine Corps photo by Lance Cpl. Dallas Johnson)