{"@context":"http://schema.org/","telephone":"9252288860 x6520","description":"On July 17, 1944, a massive explosion jolted the San Francisco East Bay area, shattering windows and lighting up the night sky. At Port Chicago Naval Magazine, 320 men were killed instantly when two ships loading ammunition for Pacific troops exploded, resulting in the worst home front disaster of WWII. The aftermath illuminated the issues of segregation and racial inequality in the military.","containsPlace":[{"geo":{"@type":"GeoCoordinates","longitude":"-122.13090","latitude":"37.99234"},"@context":"http://schema.org/","telephone":"(925) 228-8860 x6520","openingHoursSpecification":[{"dayOfWeek":"http://schema.org/Sunday","closes":"00:00:00","description":"The park does not have an official visitor center. We currently pick up guests with reservations, at the John Muir National Historic Site in Martinez, CA. ","@type":"OpeningHoursSpecification","opens":"00:00:00","name":"Temporary Port Chicago Visitor Center"},{"dayOfWeek":"http://schema.org/Monday","closes":"00:00:00","description":"The park does not have an official visitor center. We currently pick up guests with reservations, at the John Muir National Historic Site in Martinez, CA. ","@type":"OpeningHoursSpecification","opens":"00:00:00","name":"Temporary Port Chicago Visitor Center"},{"dayOfWeek":"http://schema.org/Tuesday","closes":"00:00:00","description":"The park does not have an official visitor center. We currently pick up guests with reservations, at the John Muir National Historic Site in Martinez, CA. ","@type":"OpeningHoursSpecification","opens":"00:00:00","name":"Temporary Port Chicago Visitor Center"},{"dayOfWeek":"http://schema.org/Wednesday","closes":"00:00:00","description":"The park does not have an official visitor center. We currently pick up guests with reservations, at the John Muir National Historic Site in Martinez, CA. ","@type":"OpeningHoursSpecification","opens":"00:00:00","name":"Temporary Port Chicago Visitor Center"},{"dayOfWeek":"http://schema.org/Thursday","closes":"00:00:00","description":"The park does not have an official visitor center. We currently pick up guests with reservations, at the John Muir National Historic Site in Martinez, CA. ","@type":"OpeningHoursSpecification","opens":"00:00:00","name":"Temporary Port Chicago Visitor Center"},{"dayOfWeek":"http://schema.org/Friday","closes":"00:00:00","description":"The park does not have an official visitor center. We currently pick up guests with reservations, at the John Muir National Historic Site in Martinez, CA. ","@type":"OpeningHoursSpecification","opens":"00:00:00","name":"Temporary Port Chicago Visitor Center"},{"dayOfWeek":"http://schema.org/Saturday","closes":"00:00:00","description":"The park does not have an official visitor center. We currently pick up guests with reservations, at the John Muir National Historic Site in Martinez, CA. ","@type":"OpeningHoursSpecification","opens":"00:00:00","name":"Temporary Port Chicago Visitor Center"}],"@type":"Place","address":[{"postalCode":"94553     ","@context":"http://schema.org/","addressRegion":"CA","@type":"PostalAddress","streetAddress":"4202 Alhambra Ave  ","addressLocality":"Martinez","name":"Physical Address"},{"postalCode":"94553     ","@context":"http://schema.org/","addressRegion":"CA","@type":"PostalAddress","streetAddress":"4202 Alhambra Ave  ","addressLocality":"Martinez","name":"Mailing Address"}],"url":"http://www.nps.gov/jomu","name":"Temporary Port Chicago Visitor Center"}],"openingHoursSpecification":[{"dayOfWeek":"http://schema.org/Sunday","closes":"00:00:00","description":"The Port Chicago Naval Magazine National Memorial is located on Military Ocean Terminal Concord (MOTCO) and is an active base. Due to its location, tours are only available with reservations on a ranger-guided tour. Public access to the memorial is through a two-week advance reservation process and only on Thursdays, Fridays or Saturdays. Allow for 1.5 hours beginning at 12:30 PM. No access Sundays, Mondays, Tuesdays, Wednesdays, and during Military Ocean Terminal Concord (MOTCO) operations.","@type":"OpeningHoursSpecification","opens":"00:00:00","label":"","name":"Port Chicago Naval Magazine National Memorial"},{"dayOfWeek":"http://schema.org/Monday","closes":"00:00:00","description":"The Port Chicago Naval Magazine National Memorial is located on Military Ocean Terminal Concord (MOTCO) and is an active base. Due to its location, tours are only available with reservations on a ranger-guided tour. Public access to the memorial is through a two-week advance reservation process and only on Thursdays, Fridays or Saturdays. Allow for 1.5 hours beginning at 12:30 PM. No access Sundays, Mondays, Tuesdays, Wednesdays, and during Military Ocean Terminal Concord (MOTCO) operations.","@type":"OpeningHoursSpecification","opens":"00:00:00","label":"","name":"Port Chicago Naval Magazine National Memorial"},{"dayOfWeek":"http://schema.org/Tuesday","closes":"00:00:00","description":"The Port Chicago Naval Magazine National Memorial is located on Military Ocean Terminal Concord (MOTCO) and is an active base. Due to its location, tours are only available with reservations on a ranger-guided tour. Public access to the memorial is through a two-week advance reservation process and only on Thursdays, Fridays or Saturdays. Allow for 1.5 hours beginning at 12:30 PM. No access Sundays, Mondays, Tuesdays, Wednesdays, and during Military Ocean Terminal Concord (MOTCO) operations.","@type":"OpeningHoursSpecification","opens":"00:00:00","label":"","name":"Port Chicago Naval Magazine National Memorial"},{"dayOfWeek":"http://schema.org/Wednesday","closes":"00:00:00","description":"The Port Chicago Naval Magazine National Memorial is located on Military Ocean Terminal Concord (MOTCO) and is an active base. Due to its location, tours are only available with reservations on a ranger-guided tour. Public access to the memorial is through a two-week advance reservation process and only on Thursdays, Fridays or Saturdays. Allow for 1.5 hours beginning at 12:30 PM. No access Sundays, Mondays, Tuesdays, Wednesdays, and during Military Ocean Terminal Concord (MOTCO) operations.","@type":"OpeningHoursSpecification","opens":"00:00:00","label":"","name":"Port Chicago Naval Magazine National Memorial"},{"dayOfWeek":"http://schema.org/Thursday","closes":"00:00:00","description":"The Port Chicago Naval Magazine National Memorial is located on Military Ocean Terminal Concord (MOTCO) and is an active base. Due to its location, tours are only available with reservations on a ranger-guided tour. Public access to the memorial is through a two-week advance reservation process and only on Thursdays, Fridays or Saturdays. Allow for 1.5 hours beginning at 12:30 PM. No access Sundays, Mondays, Tuesdays, Wednesdays, and during Military Ocean Terminal Concord (MOTCO) operations.","@type":"OpeningHoursSpecification","opens":"00:00:00","label":"","name":"Port Chicago Naval Magazine National Memorial"},{"dayOfWeek":"http://schema.org/Friday","closes":"00:00:00","description":"The Port Chicago Naval Magazine National Memorial is located on Military Ocean Terminal Concord (MOTCO) and is an active base. Due to its location, tours are only available with reservations on a ranger-guided tour. Public access to the memorial is through a two-week advance reservation process and only on Thursdays, Fridays or Saturdays. Allow for 1.5 hours beginning at 12:30 PM. No access Sundays, Mondays, Tuesdays, Wednesdays, and during Military Ocean Terminal Concord (MOTCO) operations.","@type":"OpeningHoursSpecification","opens":"00:00:00","label":"","name":"Port Chicago Naval Magazine National Memorial"},{"dayOfWeek":"http://schema.org/Saturday","closes":"00:00:00","description":"The Port Chicago Naval Magazine National Memorial is located on Military Ocean Terminal Concord (MOTCO) and is an active base. Due to its location, tours are only available with reservations on a ranger-guided tour. Public access to the memorial is through a two-week advance reservation process and only on Thursdays, Fridays or Saturdays. Allow for 1.5 hours beginning at 12:30 PM. No access Sundays, Mondays, Tuesdays, Wednesdays, and during Military Ocean Terminal Concord (MOTCO) operations.","@type":"OpeningHoursSpecification","opens":"00:00:00","label":"","name":"Port Chicago Naval Magazine National Memorial"}],"specialOpeningHoursSpecification":[[{"dayOfWeek":"http://schema.org/Sunday","validFrom":"2026-11-26","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-11-26"},{"dayOfWeek":"http://schema.org/Monday","validFrom":"2026-11-26","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-11-26"},{"dayOfWeek":"http://schema.org/Tuesday","validFrom":"2026-11-26","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-11-26"},{"dayOfWeek":"http://schema.org/Wednesday","validFrom":"2026-11-26","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-11-26"},{"dayOfWeek":"http://schema.org/Thursday","validFrom":"2026-11-26","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-11-26"},{"dayOfWeek":"http://schema.org/Friday","validFrom":"2026-11-26","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-11-26"},{"dayOfWeek":"http://schema.org/Saturday","validFrom":"2026-11-26","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-11-26"}],[{"dayOfWeek":"http://schema.org/Sunday","validFrom":"2026-12-25","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-12-25"},{"dayOfWeek":"http://schema.org/Monday","validFrom":"2026-12-25","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-12-25"},{"dayOfWeek":"http://schema.org/Tuesday","validFrom":"2026-12-25","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-12-25"},{"dayOfWeek":"http://schema.org/Wednesday","validFrom":"2026-12-25","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-12-25"},{"dayOfWeek":"http://schema.org/Thursday","validFrom":"2026-12-25","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-12-25"},{"dayOfWeek":"http://schema.org/Friday","validFrom":"2026-12-25","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-12-25"},{"dayOfWeek":"http://schema.org/Saturday","validFrom":"2026-12-25","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2026-12-25"}],[{"dayOfWeek":"http://schema.org/Sunday","validFrom":"2027-01-01","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2027-01-01"},{"dayOfWeek":"http://schema.org/Monday","validFrom":"2027-01-01","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2027-01-01"},{"dayOfWeek":"http://schema.org/Tuesday","validFrom":"2027-01-01","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2027-01-01"},{"dayOfWeek":"http://schema.org/Wednesday","validFrom":"2027-01-01","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2027-01-01"},{"dayOfWeek":"http://schema.org/Thursday","validFrom":"2027-01-01","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2027-01-01"},{"dayOfWeek":"http://schema.org/Friday","validFrom":"2027-01-01","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2027-01-01"},{"dayOfWeek":"http://schema.org/Saturday","validFrom":"2027-01-01","closes":"00:00","@type":"OpeningHoursSpecification","opens":"00:00","validThrough":"2027-01-01"}]],"@type":"Place","branchCode":"poch","address":[{"postalCode":"94553     ","@context":"http://schema.org/","addressRegion":"CA","@type":"PostalAddress","streetAddress":"4202 Alhambra Ave  ","addressLocality":"Martinez","name":"Physical Address"},{"postalCode":"94553     ","@context":"http://schema.org/","addressRegion":"CA","@type":"PostalAddress","streetAddress":"4202 Alhambra Ave  ","addressLocality":"Martinez","name":"Mailing Address"}],"url":"https://www.nps.gov/poch/","name":"Port Chicago Naval Magazine National Memorial"}