Children’s ‘winter carnival’ set for Dec. 7 Published Nov. 27, 2013 439th Airlift Wing WESTOVER AIR RESERVE BASE, Mass. -- Santa, Mrs. Claus, and Frosty' s friends are welcoming all children to the Frosty's Winter Wonderland Carnival Dec. 7 in the Base Hangar. It will feature arts and crafts, bounce houses, and food from 11 a.m. to 1:30 p.m. The RSVP to get children on the gift list is Nov. 27.