Tom Lindsey, left, City of Yorba Linda mayor pro tem, and Col. Matthew Trollinger, 11th Marine Expeditionary Unit commanding officer, exchange gifts during the 11th MEU adoption ceremony in the city of Yorba Linda, Calif. May, 16, 2015. The adoption represents a pledge to support service members and their families when the unit is deployed and at home, and maintains a constant link between Yorba Linda and the military community. The 11the MEU is a flexible, adaptable, and persistent force capable of rapidly responding to crises and contingencies. (U.S. Marine Corps photos by Cpl. Rick Hurtado/Released) - Tom Lindsey, left, City of Yorba Linda mayor pro tem, and Col. Matthew Trollinger, 11th Marine Expeditionary Unit commanding officer, exchange gifts during the 11th MEU adoption ceremony in the city of Yorba Linda, Calif. May, 16, 2015. The adoption represents a pledge to support service members and their families when the unit is deployed and at home, and maintains a constant link between Yorba Linda and the military community. The 11the MEU is a flexible, adaptable, and persistent force capable of rapidly responding to crises and contingencies. (U.S. Marine Corps photos by Cpl. Rick Hurtado/Released)