Lockheed KC-130H Hercules

The Lockheed KC‑130H Hercules, a tactical aerial refueling and transport variant of the venerable C‑130 platform, entered service with the United States Marine Corps in the early 1970s. Developed by Lockheed Corporation, the H model built on the original C‑130H airframe but added a robust probe‑and‑drogue refueling system, four underwing J‑52 turbo‑jets for additional thrust, and reinforced cargo decks to support heavy expeditionary loads. Its eight‑engine turboprop configuration delivers a maximum payload of roughly 42,000 lb while the auxiliary jets extend range and improve hot‑and‑high performance. The KC‑130H can refuel up to three fixed‑wing aircraft or four helicopters simultaneously, a capability that has proven essential for forward‑deployed Marine Air‑Ground Task Forces. Over its decades of operation the aircraft has participated in every major conflict from Vietnam to the Global War on Terror, delivering troops, supplies, and humanitarian aid across austere airfields worldwide. The combination of rapid cargo delivery, in‑flight refueling, and amphibious adaptability has cemented the KC‑130H’s reputation as a cornerstone of modern amphibious aviation, illustrating the lasting impact of Lockheed’s design philosophy on versatile, mission‑oriented aircraft.

Lockheed Corporation

Lockheed KC-130H Hercules

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Design & Classification