Airman 1st Class Brian Barry, 11th Civil Engineer Squadron explosive ordinance disposal journeyman, shows Brendon, 7, son of Retired Col. Mary Purdue, how to use the controller on the F6 EOD robot during the 25th Annual Parents and Children Fighting Cancer Christmas Party, Dec. 8, 2012 in Hangar 3 on Joint Base Andrews, Md. The annual PCFC event allows military families whose lives have been affected by cancer to come together and enjoy a free holiday celebration with food, performances, displays and special visit from Mr. and Mrs. Santa Claus. (U.S. Air Force photo/Senior Airman Bahja J. Jones)

Alexis, 7, daughter of Ruby Markley, and Kaitlyn, 9, daughter of Stormy Knowles a PCFC volunteer, admire the gadgets on the Marvel character Dead Pool’s costume at the 25th Annual Parents and Children Fighting Cancer Christmas Party, Dec. 8, 2012 in Hangar 3 on Joint Base Andrews, Md. The East Coast Avengers group volunteered during the event dressed as well known characters from the X-Men. (U.S. Air Force photo/Senior Airman Bahja J. Jones)

Gabby Balmer, 6, daughter of Master Sgt. Chris Sweet, 11th Force Support Squadron Military Family Support Center NCO in charge, gets her face painted during the 25th Annual Parents Children Fighting Cancer Christmas Party, Dec. 8, 2012 in Hangar 3 on Joint Base Andrews, Md. The annual PCFC event allows military families whose lives have been affected by cancer to come together and enjoy a free holiday celebration with food, performances, displays and special visit from Mr. and Mrs. Santa Claus. (U.S. Air Force photo/Senior Airman Bahja J. Jones)

Students from the Chin Hamaya Culture Center perform an Okinawan Taiko drum dance during the 25th Annual Parents and Children Fighting Cancer Christmas Party, Dec. 8, 2012 in Hangar 3 on Joint Base Andrews, Md. The dance group shared their message of “peace through understanding each other’s culture” to the guests at the PCFC event. (U.S. Air Force photo/Senior Airman Bahja J. Jones))

A dancer from the Chin Hamaya Culture Center performs an Okinawan Taiko drum dance during the 25th Annual Parents and Children Fighting Cancer Christmas Party, Dec. 8, 2012 in Hangar 3 on Joint Base Andrews, Md. The dance group shared their message of “peace through understanding each other’s culture” to the guests at the PCFC event. (U.S. Air Force photo/Senior Airman Bahja J. Jones)

Ali, 9, daughter of Navy Cryptologic Technician Maintenance 1st class Leslie Trotta, Defense Intelligence Agency, Joint Base Anacostia-Bolling, places a decoration on a Christmas tree during the 25th Annual Parents and Children Fighting Cancer Christmas Party, Dec. 8, 2012 in Hangar 3 on Joint Base Andrews, Md. The annual PCFC event allows military families whose lives have been affected by cancer to come together and enjoy a free holiday celebration with food, performances, displays and special visit from Mr. and Mrs. Santa Claus. (U.S. Air Force photo/Senior Airman Bahja J. Jones)

The Berryville Baptist Rascals, Berryville, Va., perform a Christmas carol melody puppet show during the 25th Annual Parents and Children Fighting Cancer Christmas Party, Dec. 8, 2012 in Hangar 3 on Joint Base Andrews,Md. The annual PCFC event allows military families whose lives have been affected by cancer to come together and enjoy a free Christmas celebration with food, performances, displays and special visit from Mr. and Mrs. Santa Claus. (U.S. Air Force photo/Senior Airman Bahja J. Jones)

Matthew King, 7, son of Asusena King, holds a M240B machine gun at the Combat Arms Training Maintenance booth during the 25th Annual Parents and Children Fighting Cancer Christmas Party, Dec. 8, 2012 in Hangar 3 on Joint Base Andrews, Md. This year was the King family’s first time attending the annual PCFC event. (U.S. Air Force photo/Senior Airman Bahja Jones)

Col. Bill Knight, 11th Wing/Joint Base Andrews commander, thanks the volunteers and event coordinators moments prior to introducing Santa Claus at the 25th Annual Parents and Children Fighting Cancer Christmas Party, Dec. 8, 2012 in Hangar 3 on Joint Base Andrews, Md. The annual PCFC event allows military families whose lives have been affected by cancer to come together and enjoy a free holiday celebration with food, performances, displays and special visit from Mr. and Mrs. Santa Claus. (U.S. Air Force photo/Senior Airman Bahja J. Jones)

Mr. and Ms. Santa Claus along with a few of Santa’s helpers, exit a C-37 Golf Stream 5 to make a grand entrance at the 25th Annual Parents and Children Fight Cancer Christmas Party, Dec. 8, 2012 in Hangar 3 on Joint Base Andrews, Md. The annual PCFC event allows military families whose lives have been affected by cancer to come together and enjoy a free holiday celebration with food, performances and displays. (U.S. Air Force photo/Senior Airman Bahja J. Jones)

Matthew, 13, and twins Brendon and AnnaLisa, 7, children of Retired Col. Mary Purdue, tell Santa Claus their Christmas wishes during the 25th Annual Parents and Children Fighting Cancer Christmas Party, Dec. 8, 2012 in Hangar 3 on Joint Base Andrews, Md. The annual PCFC event allows military families whose lives have been affected by cancer to come together and enjoy a free holiday celebration with food, performances and displays. (U.S. Air Force photo/Senior Airman Bahja J. Jones)