Declassified (some have been censured)Documents on the CIA website mention the firmament starting on page 19 in a series of tests on the atmosphere.
Page 20 says "...only the assumption of a flat Earth"
>>> https://www.cia.gov/.../CIA-RD....P86-00513R0013437200
▪ NASA and The Ames-Dryden Flight Research tell us in the concluding remarks: "The Earth is flat and nonrotating"
>>> www.nasa.gov/centers/dryden/pd....f/88104main_H-1391.p
▪In 1986 The US Air Force repeated the Michelson-Morley experiment, published in the Nature Journal Volume 322.
reproved the motionless earth.
>>> http://palgrave.nature.com/......./v322/n6080/pdf/3225
▪The Federal Aviation Administration denotes, in their Aircraft Dynamics model, that the earth is flat 5 separate times.. as well as referring to geocentricity 3 times.
>>> https://www.faa.gov/.../tgf/me....dia/AircraftDynamics
▪The United States Coast Guard's geographic range table lists distances as visible that should be behind the curve of the earth. Such visible distances could only be possible on a flat earth.
>>> https://www.navcen.uscg.gov/......./lightL.../LightLis
▪The U.S. Army Research Laboratory's "Propagation of Electromagnetic Fields Over Flat Earth"
>>> http://www.arl.army.mil/arlrep....orts/2001/ARL-TR-235
▪There is no mention of the supposed curvature or rotation of the Earth in the official Government Marine Corps Sniper Manual.
R.I.P Coriolis Effect. Bye Bye Globe Lie.
>>> https://archive.org/.../milman....ual-fmfm-1-3b-snipin
▪NASA admitting they cannot leave "low earth orbit" and do not have the technology to exit the Van Allen Belts of radiation.
>>> https://www.nasa.gov/.../van-allen-probes-spot...
• (http://www.arl.army.mil/arlrep....orts/2009/ARL-TR-499 page 1: Trajectory of Spinning Projectiles: “These equations assume a flat Earth.”
•(http://www.arl.army.mil/arlrep....orts/2010/ARL-TR-511 page 2: “These equations assume a flat Earth..”
•(http://www.arl.army.mil/arlrep....orts/2011/ARL-TR-581 page 216: "assuming a flat Earth"
•(http://tycho.usno.navy.mil/ptt....i/2007papers/paper21 Page 1: “...so that a flat-earth approximation provides the best estimate.”
•(http://www.arl.army.mil/arlrep....orts/2001/ARL-TN-175 Page 39: "model works over a flat earth"
•(http://www.arl.army.mil/arlrep....orts/2003/ARL-TR-269 page 1: transmission loss over flat earth
•(http://www.arl.army.mil/arlrep....orts/2000/ARL-TR-215 page 9: “...input to a flat earth”
•(http://www.arl.army.mil/arlrep....orts/2003/ARL-MR-563 page 3: “The first is the Earth-fixed coordinate system, which is fixed to the Earth with a flat Earth assumption.”
•(http://www.arl.army.mil/arlrep....orts/2010/ARL-CR-650 page: 1 "flat earth approximation provides the best estimate"
•(http://www.arl.army.mil/arlrep....orts/2002/ARL-TR-268 page 32: "This model works well over a flat-earth"
•(http://www.arl.army.mil/arlrep....orts/2000/ARL-TR-181 page 168: "equations of flat-earth trigonometry."
•(http://www.irig106.org/.../106....-17_Telemetry_Standa page 8: "The Earth is flat and nonrotating." •(http://www.navair.navy.mil/......./Inplace.aspx/LoadFi General Equations of Motion for Damaged Asymmetric Aircraft, Page 1: “...equations of motions must properly reflect the underlying physics.” page 2: "In this paper, the rigid body equations of motion over a flat non-rotating earth are developed...”
•(https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/20070 Approximate Optimal Guidance for the Advanced Launch System, On page one this document does mention a spherical rotating earth but then states that “...these schemes” (based on a spherical rotating earth) 1) “...are difficult to prove” and 2) “...not suggested to be used as a basis for an online real-time guidance law.” Page 32 goes on to say: "Lastly, the equations of motion for the zeroth-order problem of flight in a vacuum over a flat Earth are presented."
NASA Document repeatedly denotes a Flat and Non-Rotating Earth:
01-page 12:
"aircraft flying in a stationary atmosphere over flat nonrotating earth"
https://www.nasa.gov/centers/d....ryden/pdf/88072main_
02-page 108:
"aircraft flying over flat, nonrotating earth"
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/19890
03-page 126:
"The nonlinear equations of motion used are six-degree-of-freedom equations sith stationary atmosphere and flat, nonrotating earth assumptions."
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/19890
04-page 2:
"The method is limited, however, to application where a flat, nonrotating earth may be assumed. "
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/19720
05-page 11:
"The nonlinear equations of motion used in this model are general six-degree-of-freedom equations representing the flight dynamics of a rigid aircraft flying in a stationary atmosphere over a flat nonrotating earth"
https://www.nasa.gov/centers/d....ryden/pdf/88248main_
06-page 32:
"Lastly, the equations of motion for the zeroth-order problem of flight in a vacuum over a flat Earth are presented."
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/19940
07-page 2:
"In this paper, the rigid body equations of motion over a flat non-rotating earth "
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/20070
08-page 14:
"The earth is flat and non-rotating."
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/19790
09-page 25:
"The helicopter equations of motion are given in body axes with rerpect to
a flat, nonrotating Earth."
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/19810
10-page 13:
"A model frequently used is that of a flat, nonrotating earth."
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/19650
11-page 19:
"These equations assume a rigid vehicle and a flat, nonrotating Earth."
https://www.nasa.gov/centers/d....ryden/pdf/88733main_
12-page 9:
"For aircraft problems, the state and measurement models together
represent the kinematics of a rigid body for describing motion over a flat, nonrotating Earth"
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/19880
13-page 14:
"A flat, nonrotating earth"
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/19710
14-page 2:
"In our minimum time-to-climb problem, the aircraft is modeled as a point mass and the flight trajectory is strictly confined in a vertical plane on a non-rotating, flat earth."
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/20060
15-page 8:
"the missile position in space is computed relative to a flat nonrotating earth."
https://ntrs.nasa.gov/.../casi.....ntrs.nasa.gov/20040