“Sesame Street” character Grover shakes hands and waves to audience members the USO Sesame Street Experience for Military Families event in the training auditorium of building 1090, Nov. 13, 2013. The USO Sesame Street Experience for Military Families featured several familiar characters as well as new character Katie, a military child character. During the show Katie shares her experience of moving to a new duty station. The military child character has been featured in the program since 2011 and appears exclusively during its military performances. (U.S. Marine Corps photo by Kristen Wong) - “Sesame Street” character Grover shakes hands and waves to audience members the USO Sesame Street Experience for Military Families event in the training auditorium of building 1090, Nov. 13, 2013. The USO Sesame Street Experience for Military Families featured several familiar characters as well as new character Katie, a military child character. During the show Katie shares her experience of moving to a new duty station. The military child character has been featured in the program since 2011 and appears exclusively during its military performances. (U.S. Marine Corps photo by Kristen Wong)