[DOC] [TLE] John Glenn's Historic Spaceflight Was No Sure Thing - Space.com [PAR] Feb 20, 2012 ... John Glenn's historic first orbital spaceflight of Feb. ... sequence motion picture 
camera during his historic orbital flight on "Friendship 7" on Feb. ... 20, 1962, 
John Glenn rode the Friendship 7 capsule into space, the first time an ... told him 
that Friendship 7's protective heat shield may have come loose. [DOC] [TLE] History of Flight - JOHN GLENN'S ORBIT - Awesome Stories [PAR] John Glenn orbits the earth, but almost becomes lost in. ... It was February 20, 
1962. His flight lasted just under 5 hours (4 hours, 55 minutes, 23 seconds) as he 
and his space capsule, Friendship 7, (hurled into ... Would the loose heat shield 
be able to withstand the tremendous forces as it returned to earth's atmosphere? [DOC] [TLE] Human Space Flight: A Record of Achievement, 1961-1998 ... [PAR] For orbital flights, Mercury was placed on top of an Atlas-D, a modified .... 
February 20, 1962 ... as it turned out) indicated that the capsule's heat shield had 
come loose. ... Space Center in 1973) outside Houston, Texas, took over the role 
of Mission .... Gemini VII was the longest space flight in U.S. history, until the 
Skylab... [DOC] [TLE] 50 years since America put its first man in orbit - Spaceflight Now [PAR] Feb 20, 2012 ... Earlier attempts to launch America's first orbital spaceflight had been ... 20, 1962 -
- 50 years ago Monday -- and America had a new hero. ... "Not only did they get 
the honor of the first man in space, but they sent him ... into orbital flight. ... 
holding them in place would secure the heat shield, if it was loose,... [DOC] [TLE] 50th Anniversary of the Friendship 7 flight - The Flight [PAR] After his successful launch at 9:47 in the morning on February 20, 1962, John 
Glenn became the first American to orbit Earth. Over the course of the next four 
hours and fifty-six minutes Glenn, flying between 160 and 256 ... subsequently 
turned out to be a false reading, indicated the heat shield on Friendship 7 was 
loose. [DOC] [TLE] Facing the Heat Barrier: A History of Hypersonics - the AOE home ... [PAR] aerodynamic heating that brought temperatures above 500F over most of its sur- 
.... Hence, it was necessary to devise a heat shield to protect it against this 
intense ... paper studies that investigated the feasibility of flight to orbit using such 
..... possible pressure ratio across the test section was achieved by evacuating 
the... [DOC] [TLE] Space Race - Wikipedia [PAR] The Space Race was a 20th-century competition between two Cold War rivals, 
the Soviet .... His identity was kept a state secret throughout the Cold War, and he 
was ..... About 95 minutes after launch, the satellite flew over its launch site, and 
its ..... to what falsely appeared from the telemetry data to be a loose heat-shield. [DOC] [TLE] The Space Shuttle Decision - Chapter 1 - National Space Society [PAR] Everyone knew of the dramatic progress in aviation, which had advanced from ... 
Then, in 1952, a group of specialists brought space flight clearly into public view. 
... Over cocktails, dinner, and still more cocktails, Von Braun proceeded to deliver 
his pitch. ... Von Braun's engineering drawings and sketches of his rockets and... [DOC] [TLE] Godspeed John Glenn: 50 years - My Hero [PAR] Feb 17, 2012 ... John Glenn Jr. - the first American to orbit the earth. ... 20, 1962 photo made 
available by NASA shows astronaut John Glenn during his ... Then there were 
signs that the protective heat shield on his capsule was loose. ... future of space 
exploration as he talks about the first anniversary of his historic flight. [DOC] [TLE] Mercury Program | Andrew Liptak [PAR] Shepard's flight 49 years ago today marked the point when the United States 
caught ... On February 20th, 1962, John Glenn Jr., atop an Atlas rocket, became 
the third ... on his

Question: His historic 1962 orbital flight was marked by drama over a possibly loose heat shield
Answer: John Glenn