Detail on titanium armor in the HH-3 Jolly Green Giant in Vietnam (probably not exclusive to the HH-3)
I'm surprised at the wide use of titanium. I can imagine lower uses for pilot seat only in more lowly helis?
Note: "The first models, sent to Vietnam in 1965, were used mainly for clandestine missions along the Ho Chi Minh Trail"
and "titanium armor plate"
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LoginThe HH-3 Jolly Green Giant was a long-range transport helicopter that performed key duties for the Air Force for 30 years. It served in both the Vietnam and Gulf Wars. In Vietnam, the HH-3E built a legendary rescue record, plucking hundreds of warriors from enemy territory. The powerful Jolly Green Giant often fought its way through intense enemy fire to snatch downed airmen. Few combat jobs were as dangerous.
The Air Force HH-3 was an offshoot of the basic Sikorsky SH-3 aircraft developed for the Navy and first flown in 1959. The SH-3 was adaptable to a wide variety of duties. The initial USAF versions essentially were utility versions of the SH-3. The first USAF-specific version featured a redesigned fuselage, a rear cargo ramp, and tricycle landing gear. The Air Force ordered 51 and then 84 new
HH-3s designed specifically for combat search and rescue. Modifications included self-sealing fuel tanks, titanium armor plate, defensive weapons, external fuel tanks, jungle penetrator, and rescue hoist.
The first models, sent to Vietnam in 1965, were used mainly for clandestine missions along the Ho Chi Minh Trail. Flown by superbly trained and motivated crews, the HH-3s soon established a magnificent reputation for rescue operations under fire. They operated out of air bases at Da Nang, South Vietnam, and Udorn, Thailand.
Their range and refueling ability allowed them to reach any point in North Vietnam and return to base. Jolly Greens were also used in a wide variety of other duties. In 1991, HH-3s flew more than 250 missions during Operation Desert Storm.