- published: 20 Jan 2014
- views: 496460
The United States Military Aircraft Designation System was first designed in 1919 when the US Army's Aeronautical Division became the United States Army Air Service. Before this aircraft were put into service under their manufacturers' designations.
During this period Type Designations used by the United States Army Air Service were allotted, using two or three letters, which were an abbreviation of the aircraft's purpose. Examples include GA for Ground Attack aircraft; NO for Night Observation aircraft and NBS for Night Bombardment, Short Distance aircraft.
From 1924 to 1947 the Air Service, United States Army Air Corps, United States Army Air Forces and United States Air Force used a designation system based on mission category, with each model in a category numbered sequentially. In 1947, the designation system was extensively overhauled, with several categories being dispensed with, and others renamed For instance, the Lockheed P-80 Shooting Star (Pursuit) was redesignated as F-80 (Fighter), while the A-26 medium bomber/attack aircraft was redesignated as the B-26, reusing the designation, the Martin B-26 having retired in the meantime.
North America is a continent entirely within the Northern Hemisphere and almost all within the Western Hemisphere. It can also be considered a northern subcontinent of the Americas. It is bordered to the north by the Arctic Ocean, to the east by the Atlantic Ocean, to the west and south by the Pacific Ocean, and to the southeast by South America and the Caribbean Sea.
North America covers an area of about 24,709,000 square kilometers (9,540,000 square miles), about 16.5% of the earth's land area and about 4.8% of its total surface. North America is the third largest continent by area, following Asia and Africa, and the fourth by population after Asia, Africa, and Europe.
In 2013, its population was estimated at nearly 565 million people in 23 independent states, or about 7.5% of the world's population, if nearby islands (most notably the Caribbean) are included.
North America was reached by its first human populations during the last glacial period, via crossing the Bering land bridge. The so-called Paleo-Indian period is taken to have lasted until about 10,000 years ago (the beginning of the Archaic or Meso-Indian period). The Classic stage spans roughly the 6th to 13th centuries. The Pre-Columbian era ended with the arrival of European settlers during the Age of Discovery and the Early Modern period. Present-day cultural and ethnic patterns reflect different kind of interactions between European colonists, indigenous peoples, African slaves and their descendants. European influences are strongest in the northern parts of the continent while indigenous and African influences are relatively stronger in the south. Because of the history of colonialism, most North Americans speak English, Spanish or French and societies and states commonly reflect Western traditions.
CJ E&M Corporation (Hangul: 씨제이이앤엠 주식회사; RR: CJ E&M Jusikhoesa), formerly O Media Holdings Limited (Hangul: (주)오미디어홀딩스; RR: Jusikhoesa O Midieo Holdingseu) is a South Korean entertainment and media contents company. It is a subsidiary of the CJ Group.
CJ E&M currently has four main divisions, namely:
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This aviation video shows the United States built X-15, the fastest plane ever built during design and engineering trials in the 1950s. The X-15 is widely regarded as the fastest aircraft ever built and still holds the official world record for the highest speed ever reached by an aircraft. This video follows the development of the X-15 program is flying at very high altitudes, exceeding the altitude of 50 miles (300,000 feet), at Mach 6.72, thus qualifying the pilots for astronaut status, since they were technically in space. One of the most successful experimental projects which lead NASA to the moon in 1969. Specifications: Maximum speed: 4,520 mph (7,274 km/h) Range: 280 mi (450 km) Service ceiling: 67 mi (108 km, 354,330 ft) Rate of climb: 60,000 ft/min (18,288 m/min) Wing loading: 1...
This educational video is structured to show the United States X-15 experimental X-plane Project to design a revolutionary hyper-sonic aircraft using very advanced alloys and an advanced variable propulsion engine for future aircraft to at travel faster speeds. The North American X-15 is the fastest aircraft ever built relying on a hyper-sonic rocket-powered XLR99 engine generating 57,000 pounds-force (250 kN) of thrust with technical assistance provided by the National Aeronautics and Space Administration (NASA) as part of the X-plane series of experimental aircraft. The X-15 set speed and altitude records in the 1960s, reaching the edge of outer space, and returning with valuable data used in aircraft and spacecraft design. As of September 2015, the X-15 holds the official world record f...
No copyright infringement intended. X-15 1961 Before Top Gun, Apollo 13 or The Right Stuff, this breathtaking, jet-fueled journey of high-altitude filmmaking blasted audiences from zero-G to 4,000 miles per hour with its thrilling tale of America's victory in the space race. Starring David McLean, Charles Bronson and Mary Tyler Moore, X-15 sets the sky as the limitfor excitement! The courageous pilots of the Air Force's X-15 program are determined to take an experimental rocket 100 miles above the earth at four times the speed of sound! At stake is American air supremacy and proof that space travelis possible. But also at stake are their lives and the lives of the terrified wives they've left behind!
MIC SWAGGER II Ep.15 윤비 등판에 있는 freestyle weight, 어떡할 거야 I don't wait CJ E&M; Music은 아시아 No.1 엔터테인먼트 기업인 CJ E&M;의 음악사업 브랜드로 음원/음반의 투자/제작/유통부터 콘서트/페스티벌 개최까지 포함하고 있습니다. CJ E&M; MUSIC과 함께 하는 K-POP 아티스트들의 신곡과 뮤직비디오, 미공개 독점 영상 등을 이곳 YOUTUBE 채널에서 가장 먼저 만나보세요. CJ E&M; Music is a music business brand of CJ E&M;, Asia's No.1 entertainment company. CJ E&M; Music covers investment, production and distribution of album and also provides the best music festival and concerts. Meet the K-POP artists' brand new music videos and exclusive video clips on the official YouTube of CJ E&M; Music.
This documentary produced by the North American Aviation Corporation describes its X-15 rocket powered spaceplane it produced for the United States Airforce. The X-15 was the first manned spaceplane to fly in space, conducting two flights above 100 kilometers. In the public domain due to lack of copyright notice when it was published.
Subscribe to JD Football - http://bit.ly/1STb6EQ The JD Fantasy Football Show is back for the second week of the Premier League season and Craig Mitch has got some explaining to do. A freaky week one saw major points dropped across the league, but he's got a plan to get back on track this time around. He also spoke to FIFAManny and Adam McKola at the JD takeover of BaseBrixton on Monday to get some advice. Stick around until the end of the show to find out how you can win a pair of adidas X15.1 boots (which are available now at http://www.jdfootball.co.uk). Competition entrants must reside in the United Kingdom. If you haven't joined the JD Fantasy Football League yet, make sure you do with the link below. Join the league - http://bit.ly/1INc5vo Code: 206734-55816 Subscribe to JD Foot...
[IT] Ecco a voi il video ufficiale della presentazione della nuova monoposto da corsa del Race UP Team, la MG X.15. Quest'anno la squadra corse di Formula SAE dell'Università di Padova prenderà parte alle competizioni di Hockenheim e Varano de' Melegari contro le università di tutto il mondo. E voi, siete pronti per lei? Iscrivetevi al canale Youtube Race UP Team per non perdere i prossimi video e rimanete aggiornati mettendo mi piace sulla pagina facebook. [EN] Here you are the official video of the MG X.15, the latest racecar of the Race UP Team. This year the University of Padua racing team, will compete in Hockenheim and Varano de' Melegari Formula SAE championships, against universities from all over the world. And you, are you ready for her? Subscribe the Youtube channel of the Ra...
An amazing video about the UCSB Physics Department by MAT student James Darling documenting the quantum computing research done by Erik Lucero, who was a Ph.D student at UCSB at the time of this study. For more on this research, go here: http://www.ia.ucsb.edu/pa/display.aspx?pkey=2803
The Fairly OddParents 6 x 15 Wishing Well The Fairly OddParents
The Fairly OddParents 7 x 15 Frenemy Mine The Fairly OddParents
The Fairly OddParents 6 x 15 Wishing Well1 The Fairly OddParents
Ain't got no love to sinnin
Ain't no love recieved
Fucc explainin
Nigga believe whatcha wanna believe
You've been decived I ain't dead yet
Ash to ash, dust to dust ain't been said yet
Fucc what you read nigga can't nobody touch me
You must be a playa hater trust me
They gon be yellin fucc me
Long as the world is spinnin
But I can't let it bother me
Quickly the most wanted
That's just how it got to be
Busta's be woofin but really don't what no funk
Self incriminatin
I'm eliminatin niggas is hatin niggas
Liquidatin niggas like car lots
I'm loccin up on them bustas
like the fool in that movie warlocc
Motha fuccas don't bow down now
The king of Sac Rap Raided is bacc in town now
[chorus]
Long as the world is spinnin
Whether I'm dead or livin
It's Sac Town X-Raided eternally unforgivin
All the times I committed sins
Misery never ends
Havin visions on the flames my soul gonna be burnin in
Turnin in my grave cuz I can't find piece
Everybody yellin X-Raided rest in grief
Long as the world is spinnin
Whether I'm dead or livin
It's Sac Town X-Raided eternally (eternally)
Long as the world is spinnin
Whether I'm dead or livin
It's Sac Town X-Raided eternally unforgivin
Call me murderer
Don't nobody know if it's true
Wanna see me dead
So call friends and enemies too
What can I do
Persecuted and hated tremendously
Prosecuted they tryin to give me a quater of a century
Nigga they mention me in the news
Always negative
What y'all know about me
to be steadily speakin of what I did
Y'all be speculatin
One day my bitch was in tears
She heard I got stabbed in the shower
And threw off the third year
But you ain't pumpin no fear
With those discietful conversations
Sayin you comin for me but nigga I'm still waitin
They datin you bustas like I'm some white out
Think you can see me
I can't be seen I'll cut your site out
Knoccin the fight out you motha fuccas
like I'm Tyson in his hey day
You hollerin may day
But ain't no help for you it's pay day
Say what you wanna
But run up and be a gonna
By the most wanted motha fucca in Northern California
Long as the world is spinnin
Whether I'm dead or livin
It's Sac Town X-Raided eternally unforgivin (eternally unforgivin)
You don't know me from Adam
But yellin fucc X-Raided
Got your fingers crossed
Hopin I get assassinated
But you procrastinated
You had a chance to get me
20 deep but ya'll niggas was still scared to hit me
Get me hotter than lava when I hear bitch niggas speakin
Gotta roll through Sac Town strapped down
to leave them bitch niggas leakin
Got you tweekin like Plusticy
Seekin bustas like missles
Ain't got no time for no hoes
Bitches is way to ficcle
Flippin she whippin to have your car hot like pretzels
Tellin your bitches fucc you hoes let's keep it sexual
I ain't got no time for you bacc stabbin two faceted vultures
Next time I see you I'm colt you consult you to smoke
[Talkin]
Based on the fact y'allniggas is hoez
(eternally unforgivin, eternally unforgivin)
Y'all steadily be speakin on a nigga
(eternally unforgivin)
Fucc y'all niggas
Fucc biatch
Long as the world is spinnin
Whether I'm dead or livin
It's Sac Town X-Raided eternally unforgivin
All the times I committed sins
Misery never ends
Havin visions on the flames my soul gonna be burnin in
Turnin in my grave cuz I can't find piece
Everybody yellin X-Raided rest in grief
Long as the world is spinnin
Whether I'm dead or livin
It's Sac Town X-Raided eternally unforgiven
Long as the world is spinnin
Whether I'm dead or livin
It's Sac Town X-Raided eternally unforgivin
All the times I committed sins
Misery never ends
Havin visions on the flames my soul gonna be burnin in
Turnin in my grave cuz I can't find piece
Everybody yellin X-Raided rest in grief
Long as the world is spinnin
Whether I'm dead or livin
It's Sac Town X-Raided eternally, eternally unforgiven