Question: The GBU-28 is a 5,000-pound laser-guided "bunker busting" bomb produced originally by an arsenal on the west bank of the Hudson River that has been what since 1966?
Sentence (from "Watervliet Arsenal"): It is the oldest continuously active arsenal in the United States, and today produces much of the artillery for the army, as well as gun tubes for cannons, mortars, and tanks.
Relevant evidence: No