Renee Preslar, a spokeswoman for the state Department of Emergency Management, says fire crews are battling a blaze at the 1,200-acre compound. She says one worker is unaccounted for and that there have been no reported injuries.
Aerojet employs 500 people at the plant. The company says about 450 people would have been working when the explosion occurred about 3:15 p.m.
Aerojet, a GenCorp. Inc. company, is based in Sacramento, Calif.
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