High-Five Hello A Massachusetts Army National Guardsman high-fives a child while participating in the 121st Boston Marathon in Newton, Mass., April 17, 2017. Dozens of Massachusetts National Guardsmen participated in the marathon as well as assisted local law enforcement with security. Army National Guard photo by Staff Sgt. Evan Lane SHARE: Download: Full Size (1.64 MB) Credit: Staff Sgt. Evan Lane VIRIN: 170417-Z-KM772-305A.JPG Photo Gallery