Upper Deck Homepage UOperation Gratitude ©2010 UDC, Inc. 5909 Sea Otter Place, Carlsbad, CA 92010. All rights reserved. Printed in the USA. Product depicted for demonstration purposes only and is subject to change without further notice. Operation Gratitude is the 501 (c) (3) non-profit, volunteer organization that annually sends 100,000+ care packages filled with snacks, entertainment items and personal letters of appreciation addressed to individual U.S. Service Members deployed in hostile regions.