“Trailblazers of the Fire Service” Oscar Alphonso Brennan Sr. Ret. Chief Birmingham Fire and Rescue Service Miami-Dade Fire Rescue In 1968, Oscar Alphonso Brennan Sr., became the first African American firefighter for the Metro-Dade County Fire Department. Brennan rose through the ranks as the first African American in officer positions. In 1993, he retired as … Continue reading Oscar Alphonso Brennan Sr.-Trailblazers of the Fire Service