Massive Army Pier and Warehouse Fire In Oakland CA Harbor in 1949

A fire incident at a pier packed with supplies for Okinawa and Japan caused significant damage, estimated at over $1,000,000. The fire began at midnight, leading to explosive events as oil drums burst in the heat. Firefighters struggled to control the blaze, which resulted in the destruction of a vast army warehouse and supplies, culminating in a billion-dollar inferno.

What happened to the oil drums during the fire?

What was destroyed in the billion dollar inferno?