 She was just a great person. She was 48, a grandmother. An emotional commemoration today of the 1944 Port Chicago explosion near San Francisco. Munitions being loaded onto a cargo ship, detonated, setting off a domino effect of explosions and fires. Hundreds of black sailors were unjustly punished for refusing to work at the port afterward when no safety changes were made. Officially exonerating those black sailors, Navy Secretary Carlos del Toro.