MARINE CORPS BASE HAWAII - Young fans join Gary Sinise, an actor, Academy Award nominee and bass guitarist for the Lt. Dan Band, onstage during a concert on Marine Corps Base Hawaii, Feb. 22. Sinise, an avid supporter of service members, has toured military installations and performed concerts for troops and their families with the United Service Organizations since 2004. (U.S. Marine Corps photo by Lance Cpl. Suzanna Lapi) - MARINE CORPS BASE HAWAII - Young fans join Gary Sinise, an actor, Academy Award nominee and bass guitarist for the Lt. Dan Band, onstage during a concert on Marine Corps Base Hawaii, Feb. 22. Sinise, an avid supporter of service members, has toured military installations and performed concerts for troops and their families with the United Service Organizations since 2004. (U.S. Marine Corps photo by Lance Cpl. Suzanna Lapi)