Capt. Brad Williams stands with his son, Firefighter Stephen Williams, and grandson Clint, 2, at Fire Station 533 on the west side of Marine Corps Base Quantico. Brad Williams will retire from Quantico Fire and Emergency Services Apr. 29 after 21 years and four months. Stephen Williams started work for the department in January. He hopes to retire from Quantico as well. - Capt. Brad Williams stands with his son, Firefighter Stephen Williams, and grandson Clint, 2, at Fire Station 533 on the west side of Marine Corps Base Quantico. Brad Williams will retire from Quantico Fire and Emergency Services Apr. 29 after 21 years and four months. Stephen Williams started work for the department in January. He hopes to retire from Quantico as well.