Leslie Gehres spent a distinguished career in the Navy, rising to the rank of Rear Admiral, and later transitioned to leadership roles in the aerospace and maritime industries. He began his military career early, serving in various capacities during World War I and World War II, including commanding Patrol Wing 4. Gehres also held significant positions at key naval air stations. After retiring from the Navy, he pursued business ventures, notably with Ryan Aeronautical Company, and became involved in local politics as Chairman of the San Diego County Republican Central Committee.

Leslie Gehres's military background deeply informs his strategic philosophy, blending a robust defense stance with a focus on industrial growth. His advocacy for strong naval and air force capabilities, coupled with support for aerospace and maritime industries, reveals a unique alignment of defense and economic interests. Gehres's rhetorical style likely emphasizes calculated, results-driven arguments, as seen in his calculated approach to regional industrial protection. His political involvement, particularly in organizing Republican campaigns, suggests a deeply embedded ideological consistency with conservative principles.