HUNTSVILLE, Ala. — Tens of thousands of residents across the Tennessee Valley have experienced powerful shockwaves and heard massive detonations this week — some strong enough to shake buildings.
“If you live or work near Redstone Arsenal, you’ve probably heard some pretty intense sounds lately and wondered what’s going on.”
That was the opening of a message posted Friday by Redstone Arsenal, the sprawling U.S. Army installation adjacent to Huntsville and which spans more than 38,000 acres. It has been a cornerstone of American defense and aerospace research since World War II; home to NASA’s Marshall Space Flight Center, the Missile Defense Agency, and dozens of other defense organizations…