If you lived in the Las Vegas Valley in 1988, you remember the PEPCON explosion. In total, the blast at the PEPCON plant, which rocked the valley 34 years ago this month, injured nearly 400 people and left two dead. FOX5's Drew Andre reports. https://bit.ly/3LdkZKd | FOX5 Las Vegas

It was the most powerful explosion in Valley history. Watch Pepcon 30 years later tonight at 11:00pm. | KSNV News 3, Las Vegas

On May 4, 1988, a massive industrial disaster occurred at the Pacific Engineering and Production Company of Nevada (PEPCON) in Henderson, Nevada. A repair crew using a welding torch accidentally ignited the fiberglass walls of a batch dryer building, which quickly spread to 4,500 tons of ammonium perchlorate, the powerful oxidizer used for the Space Shuttle’s solid rocket boosters. Because the Challenger disaster had halted NASA flights, the facility was overflowing with the volatile chemical, s