The U.S. Army’s artillery squad fires off cannons during the Boston Pops’ rendition of Tchaikovsky’s “1812 Overture.” The “1812 Overture” is a traditional part of the July 4th Boston Pops Fireworks Spectacular at the Hatch Shell. Andrew Swayze—The Tech May. 9, 2016 Facebook Twitter Reddit Print The U.S. Army’s artillery squad fires off cannons during the Boston Pops’ rendition of Tchaikovsky’s “1812 Overture.” The “1812 Overture” is a traditional part of the July 4th Boston Pops Fireworks Spectacular at the Hatch Shell. Andrew Swayze—The Tech