"NCIS" cast members Wilmer Valderrama, Brian Dietzen and Duane Henry field questions during a panel as part of a USO appearance at Marine Corps Air Station Miramar on Sept. 30. (Dave Gatley/USO)
"NCIS" cast members spoke to Marines during a luncheon at Marine Corps Air Station Miramar, Calif., on Sept. 30, part of a USO-sponsored visit that included a screening, cast panel and aircraft tours. (Sgt. Lillian Stephens/Marine Corps)
Sean Murray, best known as Special Agent McGee on "NCIS," listens as Marine Capt. Michael Taylor, a CH-53E Super Stallion pilot, explains the capabilities of the aircraft during a USO-sponsored "NCIS" cast visit to Marine Corps Air Station Miramar, Calif.(Sgt. Lillian Stephens/Marine Corps)
From left, "NCIS" actors Brian Dietzen, Duane Henry, Sean Murray and Wilmer Valderrama hang out during a USO visit to Marine Corps Air Station Miramar, Calif., on Sept. 30. (Dave Gatley/USO)
Sporting their new flight jackets, "NCIS" cast members Sean Murray, Wilmer Valderrama, Brian Dietzen and Duane Henry ham it up in response to some questions during a visit to Marine Corps Air Station Miramar, Calif. (Dave Gatley/USO)
Marines and "NCIS" cast members strike their best tilt-rotor pose during a visit to California's Marine Corps Air Station Miramar (Dave Gatley/USO)
"NCIS" stars Duane Henry and Brian Dietzen greet Marines during a USO tour at Marine Corps Air Station Miramar, Calif., Sept. 30. The duo and fellow cast members viewed three different aircraft platforms with 3rd Marine Aircraft Wing during the visit. (Sgt. Lillian Stephens/Marine Corps)
"NCIS" star Wilmer Valderrama listens to a Marine explain the capabilities of a CH-53E Super Stallion during a USO tour at Marine Corps Air Station Miramar, Calif., on Sept. 30. (Sgt. Lillian Stephens/Marine Corps)