Seamus Herrington, a Junior Jarhead with Marine Aircraft Group (MAG) 16, smiles for a photo before falling in to formation during the group’s Junior Jarhead Day aboard Marine Corps Air Station Miramar, Calif., June 7. MAG-16 invited Marines, Sailors and families to bring their children to the event for a fun day of learning about the Marine Corps. - Seamus Herrington, a Junior Jarhead with Marine Aircraft Group (MAG) 16, smiles for a photo before falling in to formation during the group’s Junior Jarhead Day aboard Marine Corps Air Station Miramar, Calif., June 7. MAG-16 invited Marines, Sailors and families to bring their children to the event for a fun day of learning about the Marine Corps.