Army National Guard Spc. Gary Carvalho monitors traffic during snow removal operations at the Brigham Circle Massachusetts Bay Transportation Authority train stop in Boston, Feb. 17, 2015. Carvalho is assigned to the Massachusetts National Guard's 181st Engineer Company. Army National Guard Spc. Gary Carvalho monitors traffic during snow removal operations at the Brigham Circle Massachusetts Bay Transportation Authority train stop in Boston, Feb. 17, 2015. Carvalho is assigned to the Massachusetts National Guard's 181st Engineer Company. SHARE IMAGE: Download Image: Full Size (0.55 MB) Tags: Photo Essays Photo By: VIRIN: 839087-T-DNH98-297.jpg Photo Gallery