350 American flags line Military Avenue in downtown Fremont this Memorial Day, a tribute organized each year by veteran Chris Madsen and his partner Angie Proctor.The display is meant to remind the community that the holiday is about more than a long weekend. Additionally, each flag displayed was once a casket flag for a fallen armed service member donated to Madsen and Proctor."Everybody thinks we have a three day weekend and woohoo but it's n…