Cold War Era

CHECK OUT THIS VIDEO FEATURING LUFTWAFFE F-104 STARFIGHTERS TAKING PART IN SATS AND ZELL TESTINGS

SATS was a test program for take-off and landing on short runways while ZELL was a system whereby jet fighters and attack aircraft were intended to be placed on large JATO rockets attached to mobile launch platforms

The gorgeous footage in this post shows German Air Force (Luftwaffe) F-104 Starfighter aircraft being tested as part of Short Air Field for Tactical Support (SATS) and zero-length launch system or zero-length take-off system (ZLL, ZLTO, ZEL, ZELL) programs.

According to the video description ZELL was a system whereby jet fighters and attack aircraft were intended to be placed on large jet-assisted takeoff (JATO) rockets attached to mobile launch platforms. Most zero length launch experiments took place in the 1950s, during the Cold War.

The SATS was a test program for take-off and landing on short runways and featured a runway with an aluminum surface of interlocking lightweight metal alloy planking, a catapult and a carrier deck-type arresting gear. The tests were carried out at the Naval Air Test Facility in Lakehurst, U.S. where a few hundred take-offs and landings were successfully completed.

The primary advantage of ZELL was the elimination of the need for a vulnerable airfield for takeoffs. In the event of a sudden attack, air forces could field effective air defenses and launch airstrikes even with their own airbases destroyed. Although launching aircraft using rocket boosters proved to be relatively trouble-free, if aircraft were required to land at the same base, a runway was still required. Bulky mobile launching platforms also proved to be expensive to operate and difficult to transport. Security would also have been an issue with mobile launchers, especially if equipped with nuclear-armed strike fighters.

This print is available in multiple sizes from AircraftProfilePrints.com – CLICK HERE TO GET YOURS. F-104G Starfighter Jagdgeschwader 71 (JG 71) “Richthofen”, JA+240, 1965

The U.S. Air Force (USAF), the Luftwaffe, and the Soviets’ VVS all conducted ZELL experiments. The first manned aircraft to be ZELL-launched was an F-84G in 1955. The Soviets’ main interest in ZELL was for point defense-format protection of airfields and critical targets using MiG-19s. The American tests with the F-84s started with using the Martin MGM-1 Matador solid-fuel boost motor of some 240 kilonewton (52,000 lbf) thrust output, which burned out seconds after ignition and dropped away from the manned fighter a second or two later; the larger F-100 Super Sabre and MiG-19/SM-30 “Farmer” tests (with the SM-30 using the Soviet-design PRD-22R booster unit) used similar short-burn solid fueled boost motors, of much more powerful 600 kN (135,000 lbf) thrust-class output levels.

All works upon ZELL aircraft were abandoned due to logistical concerns and the increasing efficiency of guided missiles.

The desire to field combat aircraft without depending on vulnerable landing strips also motivated development of aircraft capable of vertical (VTOL) or short (STOL) takeoffs and landings. Examples of these include British Hawker Siddeley Harrier, Soviet Yakovlev Yak-38.

Photo credit: San Diego Air & Space Museum Archives via Wikipedia

Artwork courtesy of AircraftProfilePrints.com

Dario Leone

Dario Leone is an aviation, defense and military writer. He is the Founder and Editor of “The Aviation Geek Club” one of the world’s most read military aviation blogs. His writing has appeared in The National Interest and other news media. He has reported from Europe and flown Super Puma and Cougar helicopters with the Swiss Air Force.

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