In May 1968 he completed an essay, " Reflections on Progress, Peaceful Coexistence, and Intellectual Freedom ", where the anti-ballistic missile defense is described as a major threat of world nuclear war.

* Canopus ( nuclear test ) was the name given to the first test of the French hydrogen bomb, in 1968, with a yield of 2. 8 megatons

Switzerland built an extensive network of fallout shelters, not only through extra hardening of government buildings such as schools, but also through a building regulation that ensured that all residential building built after 1968 contained a nuclear shelter able to withstand a blast from a 50 megaton explosion at a distance of 700 metres.

* Nuclear Non-Proliferation Treaty, an international treaty, opened for signature on July 1, 1968 to limit the spread of nuclear weapons

* Nuclear Non-Proliferation Treaty ( NPT )— signed 1968, came into force 1970: An international treaty ( currently with 189 member states ) to limit the spread of nuclear weapons.

* Tristan da Cunha is the site of a top-secret nuclear disarmament conference in Fletcher Knebel's 1968 political thriller Vanished which was adapted into a 1971 two-part NBC made-for-TV movie starring Richard Widmark.

The final 2A test in June 1968 ran for over 12 minutes at 4, 000 MW, the most powerful nuclear reactor ever built.

The 1968 Nuclear Non-Proliferation Treaty was signed to prevent further spread of nuclear weapons technology to countries outside the five that already possessed them: the United States, the Soviet Union, the United Kingdom, France and China.

When Wallace announced his selection in October 1968, LeMay opined that he, unlike many Americans, clearly did not fear using nuclear weapons.

During the 1968 campaign, LeMay became widely associated with the " Stone Age " comment, especially because he had suggested use of nuclear weapons as a strategy to quickly resolve a deeply protracted conventional war which eventually claimed over 50, 000 American and millions of Vietnamese lives.

Beginning in 1966 he advocated nuclear disarmament, and worked as a consultant to the United States Atomic Energy Commission from 1966 to 1968 evaluating the International Atomic Energy Agency in regard to nuclear non-proliferation.

Because of a well-known system of aquifers and sand mines, this area was selected for " project dribble " to be the site of nuclear tests by the US government during 1961 to 1968 to measure seismic activity.

In 1968, Consumers Power began construction of a nuclear power plant in Midland, primarily for the Dow Chemical Company.

The strategic nuclear forces niche of the Soviet Union and the United States was changing in character in 1968.

In the UK, the number of nuclear families fell from 39 % of all households in 1968 to 28 % in 1992.

In 1968, the ship's 38-megawatt nuclear reactor was taken critical and sea trials began.

Aiken was also a champion of nuclear non-proliferation and he received the honour of being the first minister to sign the Nuclear Non-Proliferation Treaty in 1968 in Moscow.

Operation Crosstie was a series of 48 nuclear tests mostly conducted in Nevada during 1967 and 1968.

Operation Bowline was a series of 48 nuclear test explosions conducted by the United States in 1968 and 1969 at the Nevada Test Site.

The 1968 German student movement, French protests and Italian student movement had created a class of young, intellectual continental listeners, while nuclear weapons, pollution, and war inspired protests and activism.

In foreign policy, he initially sought an alliance of Nordic countries, but without success, instead maintaining strict neutrality while building up among the most impressive armed forces in the world ( surpassed only by the United States, the Soviet Union and Israel in terms of per-capita spending ), making the Swedish Air Force the third largest in the world, while ultimately rejecting nuclear capability, signing the nuclear non-proliferation treaty in 1968.

Sweden signed the nuclear non-proliferation treaty in 1968, dropping all pretences of developing a nuclear weapon.

In 1968 Skymaster transport aircraft was replaced with a C-121J Constellation.

* 1968 – The only successful hijacking of an El Al aircraft takes place when a Boeing 707 carrying 10 crew and 38 passengers is taken over by three members of the Popular Front for the Liberation of Palestine.

The first Wankel rotary-engine aircraft was the experimental Lockheed Q-Star civilian version of the United States Army's reconnaissance QT-2, basically a powered Schweizer sailplane, in 1968 or 1969.

Chirac, born in the Geoffroy Saint-Hilaire clinic ( Paris V < sup > e </ sup >), is the son of Abel François Chirac ( 1893 – 1968 ), a successful executive for an aircraft company, and Marie-Louise Valette ( 1902 – 1973 ), a housewife.

In 1968, the Department of the Army provided four specially-equipped relay aircraft to the Division, which proved invaluable throughout the country, in particular, during the 1st Cavalry Division's relief of Khe Sanh in 1968.

He joined the Navy and entered flight school in 1965 and in 1968 he flew more than 70 strike missions over North Vietnam and Laos in an A-4 Skyhawk off the aircraft carrier USS Intrepid ( CV-11 ).

* Gloster Javelin a British " all-weather " jet interceptor aircraft, 1951 – 1968

The Jacks Valley field training area was added, the Survival, Evasion, Resistance and Escape ( SERE ) program was expanded, and light aircraft training started in 1968.

On 19 August 1968, two Royal Air Force jet aircraft collided at over the town of Holt.

Jet services began in 1968 with Southern Airways ' acquisition of DC-9 aircraft, and continue today using the CRJ-200 regional passenger jet.

In 1968, two digit squadron tail codes appeared on the aircraft for identification purposes.

It was later established that the crash had been caused by the build-up of slush on the runway, which had resulted in the aircraft being unable to achieve take-off velocity ; Thain's name was eventually cleared in 1968, ten years after the incident.

An exception to Soviet-built planes was made in 1968, when TAROM bought the BAC One Eleven for European and Middle East destinations, and in 1974 when it acquired Boeing 707 aircraft to share its long-haul operations with the Il-62.

In June 1968, Bölkow merged with the Messerschmitt AG to form Messerschmitt-Bölkow, a combination that created West Germany's largest aircraft company, with sales approaching $ 150 million ( 1968 dollars ).

*, an aircraft carrier in commission from 1968 to 2007

By 1968, the international network included destinations like Athens, Beirut, Cairo, Geneva, London, Paris, Rome or Tunis, which were served using either Caravelle or Fokker F27 aircraft.

It was during this era ( July 1968 ) that the first tail codes appeared on Nellis-based aircraft:

The first scheme was started in 1968 when higher landing fees for peak-hour use by aircraft with 25 seats or less at Newark, Kennedy, and LaGuardia airports in New York City.

In 1968, the Federal Aviation Administration issued the High Density Airport Rule to reduce the amount of aircraft in a given airport.

The Royal Air Force's Strike Command was the military formation which controlled the majority of the United Kingdom's bomber and fighter aircraft from 1968 until 2007: it was merged with Personnel and Training Command to form the single Air Command.

1968: Southern Airways began flying four DC-9 aircraft daily out of VPS.

The UK government's refusal to let BEA order American aircraft, as well as its subsequent decision to stop funding the development of BAC's Two-Eleven widebody and a delay to the rival Rolls-Royce RB207-powered, 250-seat pan-European Airbus A300 widebody, also resulted in another Trident order from the airline for 26 firm 3B series aircraft plus 10 options in early 1968, for delivery from 1971.