Port Chicago, California

01From Seal Bluff to Bay Point

Anglo-American settlers arrived on the bluffs above Suisun Bay around 1850 and 1851, among them Josiah Knight and Samuel E. Strode. According to a county history published in 1882, Daniel Cunningham became the first permanent settler after acquiring homestead rights originally patented under President Ulysses S. Grant. The earliest industrial venture on the site was a copper smelter known as Seal Bluff, which operated until roughly 1903.

The town that most residents would remember began taking shape a few years later. In 1907, lumberman C.A. Smith built a sawmill and wharf on the bay, turning the community into a shipping point for redwood cut in the north. A post office opened in 1897 under the name Bay Point, and the town kept that name until 1931, when boosters rechristened it Port Chicago in hopes that a grander name might attract grander trade. A Pacific Coast Shipbuilding Company yard sprang up during the First World War. The railroads that crossed the plain divided the settlement neatly: industry along the water, homes and shops on the slope above.

By the early 1940s Port Chicago was a modest working town of a few hundred houses, a school, a movie theater, and a business district strung along the Southern Pacific tracks. Then the U.S. Navy arrived.

02What Happened at Port Chicago?

In 1942 the Navy opened a munitions loading pier on the edge of town, part of the buildup for the Pacific war. The work was brutal, round-the-clock, and almost entirely performed by enlisted African-American sailors under white officers. On the night of July 17, 1944, two ships were being loaded at the pier, the SS E.A. Bryan and the SS Quinault Victory. At 10:18 p.m. the Bryan detonated.

The explosion was equivalent to roughly five kilotons of TNT. It vaporized both ships, the pier, a locomotive, and the sailors on duty. It killed 320 men and injured another 390. Two-thirds of the dead were Black enlisted loaders. In Port Chicago itself, more than 300 buildings were damaged and over 100 people were hurt, but no resident was killed. Windows shattered as far away as San Francisco, and seismographs in Nevada registered the shock.

Weeks later, when surviving Black sailors at nearby Mare Island refused to resume loading under the same unchanged conditions, fifty of them were court-martialed for mutiny. The Port Chicago Mutiny became one of the civil rights flashpoints of the Second World War and is generally credited with accelerating the Navy's desegregation in 1946.

03The Slow Second Death, 1944-1969

The town survived the blast, rebuilt its broken windows, and lived on through the postwar years as a quiet residential strip beside what became the Concord Naval Weapons Station. Its population, recorded at around 1,500 in 1950, stayed largely stable into the 1960s.

The second death came not from an accident but from a map. In 1968, as the station expanded its handling of munitions bound for Vietnam, the federal government determined that the blast radius around the piers overlapped almost exactly with Port Chicago's residential streets. Under eminent domain, every home, business, church, and school in town was purchased and demolished. The Bay Point / Port Chicago post office, which had operated under one name or another since 1897, closed in 1969. Roughly 1,500 people were relocated, many to nearby Clyde and Concord. By 1970 the town existed only on old maps.

04Can You Visit Port Chicago Today?

Not easily. The land is now inside the Military Ocean Terminal Concord, an active federal installation, and it remains closed to casual visitors. Port Chicago Highway, the old approach road, is severed at Clyde and picks up again on the far side of the base.

The one publicly accessible piece of the former town is the Port Chicago Naval Magazine National Memorial, authorized by Congress on October 28, 1992, and dedicated in 1994. The five-acre memorial occupies the waterfront where the pier once stood. Visitation requires a reservation placed in advance through the National Park Service, along with a background check; escorted tours are run by rangers from the John Muir National Historic Site. In 2025 the memorial recorded only 782 visitors, a reflection of both the access rules and the quiet nature of the site.

05What Remains of Port Chicago Today

Physically, almost nothing of the civilian town survives. The street grid, the theater, the Southern Pacific depot, the churches, and the bungalows were all cleared in 1968-1969. On the bay itself, visitors on ranger-led tours can see a small memorial plaza with interpretive panels, a surviving section of the blast-scarred shoreline, and, in the near distance, the revetments and rail spurs of the magazine that replaced the town. A chapel with stained-glass windows depicting the 1944 loading operations stands nearby. Park planners have discussed incorporating preserved 1940s boxcars and railroad revetments into a future expansion.

What remains more durably is the legal and cultural record: the 320 names inscribed on the memorial wall, the transcripts of the mutiny trial, and, in January 2024, the Navy's full exoneration of the fifty convicted sailors, nearly eighty years after the blast. The town that held them is gone. The argument they started is not.