Airplanes and Rockets History
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Honest John Rocket, September 1968 American Aircraft Modeler - Airplanes and RocketsHonest John Rocket

The Honest John M-31 artillery rocket was a surface-to-surface rocket that was developed by the United States Army during the Cold War era. It was named after President John F. Kennedy's campaign pledge to be an "honest" president.

The development of the Honest John began in the early 1950s as part of a program to develop a family of solid-fuel rockets for the U.S. Army. The rocket was designed to be a low-cost, tactical weapon that could deliver a conventional or nuclear warhead to a range of up to 30 miles.

The first test launch of the Honest John took place in 1951, and it was deployed to U.S. Army units in 1953. The rocket was used extensively during the Cold War, and over 7,000 were produced between 1953 and 1965.

The Honest John rocket was a relatively simple design, consisting of a solid-fueled rocket motor and a simple fin-stabilized airframe. It was typically launched from a mobile launcher, although it could also be fired from a stationary launch pad.

The rocket was equipped with a variety of warheads, including high explosive, fragmentation, and nuclear. The nuclear warhead, which had a yield of up to 20 kilotons, was retired from service in the late 1980s.

The Honest John rocket saw combat during the Vietnam War, where it was used primarily for artillery support and as a psychological weapon. It was also used by other countries, including West Germany, Italy, and Turkey.

The Honest John rocket was retired from U.S. Army service in the 1990s, although it is still used by some foreign militaries. Its legacy lives on, however, as a symbol of the U.S. Army's Cold War-era commitment to deterrence and readiness.

Haynes vs. Chilton Repair Manual Pros and Cons  (see on Amazon)

In summary, Haynes manuals are great for beginners or those who prefer easy-to-understand instructions, while Chilton manuals are better for experienced mechanics who need more technical accuracy and in-depth coverage. Ultimately, the choice between Haynes and Chilton will depend on your personal preferences and the specific needs of your car.

Publishing rights to Chilton manuals was purchased by Haynes in 2001.

1965 Mustang Haynes Repair Manual - Airplanes and RocketsHaynes Repair Manuals:


Haynes manuals are usually more affordable than Chilton manuals. They cover a wider range of vehicles and are more readily available in most auto parts stores or online. They are known for their user-friendly language, with step-by-step instructions and clear illustrations. Haynes manuals are great for beginners or DIY mechanics, as they are easy to understand and follow. They offer online manuals that can be accessed from anywhere, which is convenient for those who prefer digital resources.


Some people find that the instructions in Haynes manuals can be too simplistic or incomplete for more complex repairs. The illustrations in some Haynes manuals may not be as detailed or accurate as in other manuals. Some Haynes manuals may not cover all aspects of a repair, and may leave out important details.

1969 Camaro Chilton's Repair Manual - Airplanes and RocketsChilton Repair Manuals:


Chilton manuals are known for their technical accuracy and in-depth coverage of specific makes and models. They offer more detailed and advanced repair instructions, which can be helpful for experienced mechanics. Some Chilton manuals include wiring diagrams, which can be helpful for electrical repairs. Chilton manuals may offer more information on older or less popular car models than Haynes manuals.


Chilton manuals are generally more expensive than Haynes manuals. They may be harder to find, especially for older or less popular car models. The technical language used in Chilton manuals may be difficult for beginners or DIY mechanics to understand. Chilton manuals may not be as user-friendly as Haynes manuals, with less step-by-step instructions and illustrations.