u.s army personnel detonated a collection of unexploded grenades and other munitions thursday, following a cleanup around former fort ord. at about 11:30 a.m., army crews detonated about 3-hundred items, including artillery shells, antitank projectiles and other explosives. The routine operation took place in a designated “munitions response site” about 8-tenths-of-a-mile from laguna seca racetrack, (near hawkeye and riso ridge roads). more information about demolition operations on fort ord is available online, at: Fortordcleanup.com.