Close TIM JEAN/Staff photo Sarah Brush of North Andover, walks with her children Sean and Samantha, both 3, last year at the Field of Honor at North Andover's town common. This year's demonstration will last three weeks, from May 22 to June 13. Tim Jean By Madeline Hughes mhughes@andovertownsman.com Apr 15, 2021 20 hrs ago TIM JEAN/Staff photo Sarah Brush of North Andover, walks with her children Sean and Samantha, both 3, last year at the Field of Honor at North Andover's town common. This year's demonstration will last three weeks, from May 22 to June 13. Tim Jean The Exchange Club of Lawrence and the Andovers will offer its third Annual Field of Honor, displaying 500 American Flags on the North Andover Town Common.