Firefighter Armstrong became a fire recruit on 1/2/00. After five months of rigorous basic training he graduated from the Cincinnati Fire Academy on 5/19/00.
Thereafter he was assigned to Fire Engine Company 46 on 5/21/00. On September 23, 2001 he transferred to Fire Engine Company 9, and remained a member of that unit.
Throughout his career he was recognized as an employee that did a good job, in some areas of his job performance he was rated superior, which is significant for a young firefighter. Oscar