Two F-106 fighter aircraft scrambled from nearby McChord Air Force Base followed behind the airliner, one above it and one below, out of Cooper's view.

* 2009 – Two Tamil Tigers aircraft packed with C4 explosives en-route to the national airforce headquarters are shot down by the Sri Lankan military before reaching their target, in a kamikaze style attack.

It went on to play a major part in the remainder of the war, in a number of variants and marks, and it was the only allied fighter aircraft to be in production through the entirety of World War Two.

After the end of World War Two, the Supermarine division built the Royal Navy's first jet fighter, the Attacker, which served front line squadrons aboard aircraft carriers and RNVR squadrons at shore bases.

* 2001 – Two hijacked aircraft crash into the World Trade Center in New York City, while a third smashes into The Pentagon in Arlington, Virginia, in a series of coordinated suicide attacks.

Two crew members form the fork, with an elastic cord stretched between them to provide power to launch the small aircraft.

* 2005 – Two EMERCOM Il-76 aircraft land at a disaster aid staging area at Little Rock Air Force Base ; the first time Russia has flown such a mission to North America.

Two Trents were fitted to Gloster Meteor EE227 — the sole " Trent-Meteor " — which thus became the world's first turboprop-powered aircraft, albeit a test-bed not intended for production.

Two Ivorian Sukhoi Su-25 aircraft and several Mil Mi-24 helicopters were destroyed, which was most of the country's air forces.

* October 26 – WWII: Battle of the Santa Cruz Islands: Two Japanese aircraft carriers are heavily damaged and one U. S. N.

Two aircraft tied to a tree

By the end of World War Two, the US had built eight new wind tunnels, including the largest one in the world at Moffett Field near Sunnyvale, California, which was designed to test full size aircraft at speeds of less than 250 mph and a vertical wind tunnel at Wright Field, Ohio, where the wind stream is upwards for the testing of models in spin situations and the concepts and engineering designs for the first primitive helicopters flown in the US.

Two airstrikes by US-operated aircraft on 21 September 2011 reportedly killed four AQAP fighters in Abyan and seven AQAP fighters in Shaqra.

Two aircraft were ordered ; one was completed

Two aircraft were built

Two new Queen Elizabeth class carriers able to operate the F-35B short take-off and landing variant of the US Lockheed Martin Lightning II aircraft are under construction ; it is not certain if both carriers will enter service or the number of aircraft that will be purchased.

Two of the latter were new aircraft that had been ordered by British South American Airways ( BSAA ).

Two aircraft were acquired by the US Navy and 12 were supplied to Japan.

Two main corporations compete in the aircraft APU market: United Technologies Corporation ( through its subsidiaries Pratt & Whitney Canada, Hamilton Sundstrand and the recently acquired Goodrich Corporation ), and Honeywell International Inc.

Two aircraft were built to prove the tiltrotor design and explore the operational flight envelope for military and civil applications.

Military pilots also serve as flight crews on aircraft for government personnel, such as Air Force One and Air Force Two in the United States.

Two McDonnell F-101 Voodoo fighters of the 75th Fighter Squadron were scrambled from Dow Air Force Base 22 minutes after midnight on 11 April 1961 to intercept an unidentified aircraft approaching the United States.

Two A-1E Skyraider aircraft provided air cover to the mission.

Two carriers have operated using the Continental Express brand name:

Two of the larger factors are: quantum efficiency, which indicates how well incident optical photons are absorbed and then used to generate primary charge carriers ; and total leakage current, which is the sum of the dark current and photocurrent and noise.

Two escort aircraft carriers of the United States Navy have been named USS Prince William, after Prince William Sound in Alaska.

Two fleet carriers — and — and one light carrier —— arrived at the main Japanese naval base at Truk Atoll from Japan in early October and joined Shōkaku and Zuikaku.

Two forces affect ionized atoms in a conductor: 1 ) The direct electrostatic force F < sub > e </ sub >, as a result of the electric field, which has the same direction as the electric field, and 2 ) The force from the exchange of momentum with other charge carriers F < sub > p </ sub >, toward the flow of charge carriers, is in the opposite direction of the electric field.

* Two aircraft carriers:

Two of the carriers dropped their mail bags and ran but the other three surrendered and were taken to Arrogant.

Two Trinidadian oil tankers, the Ambrosio and the Inverrosa, were converted into manganese carriers as part of this project.

The Two Chairmen, London, is named after the carriers of sedan chairs.

Two Australian carriers, Jetstar ( a Qantas subsidiary ) and Pacific Blue ( a Virgin Australia subsidiary ) fly domestic routes within New Zealand, and Qantas offers flights connecting New Zealand and North America.

* Two aircraft carriers

Two years later, he stood with striking letter carriers in Sorel and criticized his own government's decision to approve replacement workers.

Two men were on duty inside, playing pinochle, relaxed.

Two of the new hands, a Mexican named Jose Amado and a kid known only as Laredo, were picked for the first trick of riding night herd.

Two of the principal addresses were delivered by prominent Protestants, and when the speaker was a Catholic, one `` discussant '' on the dais tended to be of another religious persuasion.

Two of our men were killed, a third was wounded.

Two gas lamps were no more than a misleading glow.

Two men he did not recognize were sipping coffee and munching sweet rolls.

Two hundred and nineteen were received from 35 of our 50 United States and 11 came from foreign countries.

Two special issues were published, one for November 1959 on Space Medicine, the other the Tenth Anniversary issue for January 1960.

Two friends were talking.

Two of the fluids showed a high-positive normal pressure when undergoing shear, and two showed small negative pressures which were negligible in comparison with the amount of the positive pressures generated by the other two.

Two types of light source were used, a thousand watt projection lamp and an AH6 high pressure mercury arc.

Two other end-use areas which contributed to expandable styrene's growth during the year were packaging ( molded inserts replacing complicated cardboard units ) and foamed-core building panels.

Two of these were included in Palfrey's lot.

Two bequests were recorded: one of $200 under the will of Mrs. Harriet A. Copp of Los Angeles ; ;

Two millions were added to what had been set aside for it in Mrs. Meeker's lifetime, and the proviso made that as long as Brian Thayer continued to discharge his duties as administrator of the fund to the satisfaction of the board of trustees ( hereinafter appointed by the bank administering the estate ) he was to be retained in his present capacity at a salary commensurate with the increased responsibilities enlargement of the fund would entail.

Two women, who had been chattering like parrots, were struck dumb.

Two tax revision bills were passed.

Two other cases also were under advisement.

-- Two Americans and seven Cubans were executed by firing squads today as Castro military tribunals began decreeing the death penalty for captured invasion forces and suspected collaborators.

Two were in the same band 18 years ago ; ;

Two late Sonatas, Op. 110 and 111, were played with similar insight, the disarming simplicities of the Op. 111 Adagio made plain without ever becoming obvious.

Two other Japanese girls were sitting at the tables, both quite pretty and well groomed.

Two of the seven wonders of the ancient world were located in Anatolia: The Temple of Artemis in Ephesus and the Mausoleum of Halicarnassus.

These were The Bump, starring Aubrey Smith ; Twice Two ; Five Pound Reward ; and Bookworms Some of these films survive in the archives of the British Film Institute.

Two chiefly important monk philosophers were Sengzhao and Daosheng.