The monsters are swarming up the mineshafts. All efforts to delay them have failed. We'll try to hold them at this position as long as we can.”
Captain Pickard was an Enclave officer, securing the excavation at the Mariposa Military Base. He was the last person to remain inside the base along with some of his soldiers, buying the rest of his unit time to seal the entrance into the base.
Pickard is mentioned in Fallout 2.