Stamp Out Russian Aggression will be present at Boston Expo 2026 on May 29th, with Colonel David S. Ball (Ret.) and Lucas A. Hartwell presenting, for the first time, flown Ukrainian Drone Mail covers, with all proceeds benefiting the Azov 3rd Battalion. The presentation will be held at the Ukrainian Philatelic and Numismatic Society (UPNS) meeting on May 29th from 1:00 PM to 2:00 PM in meeting room 158. Expected participants include UPNS President Jerry Kalyn, Treasurer Marti