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New in the library The PURSUE files The Department of War's UAP release, mirrored in full: the videos, recordings and images, each beside its case file. Browse the release → Documents matching “low altitude” 262 records · page 4
…The FBI message stated that the military had reported that an
object resembling a high-altitude weather balloon…
…The FBI message stated that the military had reported that an
object resembling a high-altitude weather balloon…
…FURTHER ADVISED .THAT THE OBJECTI!J7C
::.:. ',-
FOUrm RESEt1BLES A HIGH ALTITUDE !vEATHER BALLOON HITH A RADAR
.
REFLf;,C…
p. 30 …found himself on a steeply sloping downwards course at low altitude . This occurred three times indicating that the target was… p. 22 …Present-day jet aircraft, flying at great speeds and high
altitudes , a1'e often .mis,~aken for. unknown objects by… p. 70 …I worked dovm until I was at the same
altitude with it ; at least it was on the horizon.
I… p. 294 …Shoot , we real ly made a low altitude pass across
the States . We should have probably filed a DD-
175… p. 40 …which operate aircraft, particularly those operating fast and at low altitude ". Could you confirm these findings were passed to the… p. 59 …which operate aircraft, particularly those operating fast and at low altitude ." Could you confirm these findings were passed to the… p. 64 …which operate aircraft, particularly those operating fast and at low altitude ." Could you confirm these findings were passed to the… 1 more page mentions it …ALMOST MIDWAY FROM NOSE TO TAIL; TAILPLANE LOCATED LOW BENEATH BOTTOM LEVEL OF VERTICAL FIN; VERTICAL FIN SWEPT…
p. 16 …Given their limited time at altitude , this vulnerability is not an issue for
launch vehicles; however, it is a concern… …The proposal to include two high- altitude orbits in the flight plan for
Gemini mission XI has been…
p. 170 …again, although at the time we were reading relatively low tank pressures. I think the OX built up slightly over… …Fol-
lowing the virtual collapse in 1960 of the 12-Year
Plan for Science Development (1956-67) which…
p. 27 …General Area of Occurrence Apparent Direction of Flight Apparent Altitude Course Horizontal to Vertical Color Train or Trail Duration of… p. 42 …General Area of Occurrence Apparent Direction of Flight Apparent Altitude Course Horizontal to Vertical Color Train or Trail Duration of… p. 75 …traversing a nearly or exactly horizontal path with a length of very nearly twenty-five (25) miles at an altitude … p. 53 …563 950,000 (290 km) 39,000 Low -speed meteors 7; but would not be
detected at this range on… p. 92 …general direction of the Knoxville Airport at a relatively low altitude but he had not paid much attention to them… p. 92 …general direction of the Knoxville Airport at a relatively low altitude but he had not paid much attention to them… p. 21 …out of an estimated hundred-plus witnesses to this low -altitude sighting in a residential area of Redlands.
Because I… p. 33 …Nor
does this account suggest any meteoric phenomenon at sub-cloud altitudes . I would regard this as just one more… p. 41 …The refractive index gradient, even after making allowance for
instrument lag, was far too low for "ducting" or "trapping" to… 5 more pages mention it p. 17 …Subsequently, a
1946 HQ AMC memorandum was surfaced, describing the
constant altitude balloon project and specified that the
scientific data… p. 19 …Subsequently, a 1946 HQ AMC memorandum surfaced, describ- ·
ing the constant altitude balloon project and specified that the scientific data… p. 8 …On the following day,
the Soviets discontinued trans-
port flights at altitudes from
7,500 to 10,000 feet-—normally… …to initiate a program to gather factual data.
LOW GRADED AT 3 YEAR INTERVAL
DECLASSIFIED AFTER 12 YEARS…
p. 18 …Although the airplane was originally intended for level
bombing from medium altitudes , it was used extensively in the Pacific Theater… p. 48 …times the amount of fuel at low altitude than it does at high altitude . I don't think a jet… p. 79 …Car motor and headlights failed; two UFOs observed at low altitude ahead of car.
18. October 14, 1954; near Brosses… p. 103 …The object was at low altitude emitting a humming noise. Suddenly Roger found that he could not move. As the… 32 more pages mention it p. 37 …national that two small
brightly lit objects and one
enormous object - the size of
two aircraft carriers - fol-
lowed his… p. 84 …At
approximlte~ 1015 local time, at an altitude of about 5500 feet, on a
magnetic Leading of about 180 degrees… p. 42 …by no scientific data, such as temperature distribution and altitude . On August 6th, an Army physicist at Fort Belvoir, Virginia… …They wanted the CIA and NPIC to maintain a low profile, however, and to take no part in…
p. 23 …East over the highway and had remarked
about the low altitude and odd appearance of the craft.
He will be… p. 132 …I .. .... ... .. "" ... ~
.. .. ... -... - -
Craft Zoomed Away
Zamora said the craft headed
due west at an altitude of about
20 feet for nearly… p. 166 …blasted flame from underneath, rose to a low altitude , then raced
out of sight.
Landing-gear marks and scorched ten… p. 29 …of altitude which could account for a high or low balloon, with relation
to the group, to proceed in an… p. 29 …of altitude which could account for a high or low balloon, with relation
to the group, to proceed in an… …A Labrador radar station picked up an object traveling at 72 knots at an altitude of 50,000…
p. 15 …Pilots
are reporting UAP at altitudes that appear above them at 40,000
feet, potentially in low Earth orbit or… p. 17 …We continued down
another 270 degrees, nose low , where the Tic Tac would have been.
Our altitude at this point… p. 28 …approach the base from the ocean and
hover at low altitude over one of the launch facilities. This object
remained… p. 15 …Pilots
are reporting UAP at altitudes that appear above them at 40,000
feet, potentially in low Earth orbit or… p. 17 …We continued down
another 270 degrees, nose low , where the Tic Tac would have been.
Our altitude at this point… p. 28 …approach the base from the ocean and
hover at low altitude over one of the launch facilities. This object
remained… p. 15 …Pilots
are reporting UAP at altitudes that appear above them at 40,000
feet, potentially in low Earth orbit or… p. 17 …We continued down
another 270 degrees, nose low , where the Tic Tac would have been.
Our altitude at this point… p. 28 …approach the base from the ocean and
hover at low altitude over one of the launch facilities. This object
remained… p. 15 …Pilots
are reporting UAP at altitudes that appear above them at 40,000
feet, potentially in low Earth orbit or… p. 17 …We continued down
another 270 degrees, nose low , where the Tic Tac would have been.
Our altitude at this point… p. 28 …approach the base from the ocean and
hover at low altitude over one of the launch facilities. This object
remained… p. 6 …We can look at the recent incursion of the unidentified PRC high-
altitude balloon as an example, and because of… …But there also meant that a floating vessel was flying through a low base along the west coast…
p. 84 …by
no scientific data, such as temperature
distribution and altitude . On August
6th, an Army physicist at Fort Belvoir,
Virginia… p. 84 …by
no scientific data, such as temperature
distribution and altitude . On August
6th, an Army physicist at Fort Belvoir,
Virginia… …It was generally agreed that the phenomena resembled a shooting star, despite the fact that course and altitude …
…It was generally agreed that the phenomena resembled a shooting star, despite the fact that course and altitude …
…LEVEL OF
RAD I O ACT IVITY EXTREMELY LOW AND EMPLOYEE \~MER LOYED BY GOVERN -
~~ MET AT LOS…
…Estimated its speed at about 150 miles per hour and its altitude at about 5,000 feet. He…
…As illustrated
in Figure 4, 3 the high peaks represent expanding space-time, while the low peaks
represent…
…As illustrated
in Figure 4, 3 the high peaks represent expanding space-time, while the low peaks
represent…
…Vibration was very low .
It had dropped out almost completely a.t lift- off,
felt that shaking was…
p. 18 …position in low Earth orbit, the upper atmosphere, as well as mili-
tary and civilian aviation altitudes and maritime environments… …The Ukrainian astronomers also identified a luminous and variable object at an altitude of 1,170
kilometers, which…
…15 We can look at the recent incursion of the unidentified
16 PRC high-altitude balloon as an…
…15 We can look at the recent incursion of the unidentified
16 PRC high-altitude balloon as an…