This plant was 118000 sqft and was destroyed on May 4, 1988 when the PEPCON rocket fuel plant located next to it (one of only two American producers of ammonium perchlorate ("AP"), an oxidizer used in solid propellant rocket boosters, including the Space Shuttle, military weapons (SLBMs launched from nuclear submarines), and non-weaponized rocket programs (Atlas, Patriot, etc.),