Imagine Andrews Public Charter School students sing during the 11th Wing Holiday Lighting Ceremony at Joint Base Andrews, Md., Nov. 30, 2017. Military families attended the annual lighting ceremony, which provided the base with a time to celebrate holiday cheer. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

The base holiday tree is lit up during 11th Wing Holiday Lighting Ceremony at Joint Base Andrews, Md., Nov. 30, 2017. The tree lighting provided the base with a time to celebrate the holiday season and to take a moment to remember deployed service members during the holidays. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Tiffany Holloway, 11th Wing Holiday Lighting Ceremony attendee, poses for a photo at Joint Base Andrews, Md., Nov. 30, 2017. More than 100 military families attended the event, which featured seasonal music by the U.S. Air Force Band, festive crafts and holiday food. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

U.S. Air Force Band members play violins during the 11th Wing Holiday Lighting Ceremony at Joint Base Andrews, Md., Nov. 30, 2017. After the lighting ceremony, military families were invited to the base community commons to enjoy food, crafts and photos with Santa Claus. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Alissandra Celesdine, 11th Wing Holiday Lighting Ceremony attendee, creates a holiday craft at Joint Base Andrews, Md., Nov. 30, 2017. The lighting ceremony kicks off the holiday season to help foster a sense of community on base. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Mason, 11th Wing Holiday Lighting Ceremony attendee, sits on Santa Claus’ lap at Joint Base Andrews, Md., Nov. 30, 2017. Military families experienced the annual event that provided the base with a time to celebrate the holiday season. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)

Col. E. John Teichert, Joint Base Andrews and 11th Wing commander, serves food to a military family during the 11th Wing Holiday Lighting Ceremony at JBA, Md., Nov. 30, 2017. The tree lighting provided the base with a time to celebrate the holiday season and to take a moment to remember deployed service members during the holidays. (U.S. Air Force photo by Airman 1st Class Valentina Lopez)