Beyond the limit E4: The Edge of Space. With Colonel Dan 'Tanna' Isbell.

T
Tom Vernon UAP
·
February 28, 2026
352 views
Tier 1First Person EncounterFirst-Person Account

Analysis Summary

Program Intel Profile
interviewTopic: technology scienceIntel Value: 7/10

Colonel Dan 'Tanna' Isbell

Contact Experience Triad

Hynek: NL

The Encounter

The person in the transcript is a former pilot who flew high-performance aircraft, including the U2 spy plane. During his military duty, he underwent extensive training for flying at extreme altitudes. He described the challenges of piloting the U2, including the need for constant manual control and the risks of altitude-related issues. He shared experiences of flying at classified heights and the physical demands of the pressure suit. After his time flying the U2, he was offered a position as an SR71 pilot but declined due to concerns about future opportunities. The encounter had a lasting impact on him, as he expressed gratitude for his experiences and reflected on the complexities of flying such advanced aircraft.

✦ AI Generated

Program Intelligence Analysis

Executive Summary

The interview discusses the complexities and challenges of flying the U2 spy plane, including its operational altitudes and the technology involved. It also touches on the existence of high-altitude unmanned aircraft and the secrecy surrounding advanced reconnaissance programs.

Primary Revelation

The U2 spy plane can operate at classified altitudes higher than 70,000 feet.

D
Dan
witnessneutral
U2 ProgramSR71 Program
Military pilot experienceTest pilot school graduateAerospace engineering degree

I think there is now. There was probably some improvements over the years, but when I flew it, no. No, it's just it's pilotage and it's a lot of forces.

U2 ProgramCold War (1955 to present)confirmed

Managed by: Lockheed Martin

High-altitude reconnaissance

SR71 ProgramCold War (1966 to 1998)confirmed

Managed by: Lockheed Martin

Strategic reconnaissance

SR72 Programunknown (unknown to unknown)alleged

Managed by: Lockheed Martin

Advanced reconnaissance and surveillance

technologyspecific

The U2 spy plane can operate at classified altitudes higher than 70,000 feet.

Source: Unnamed individual
technologyspecific

The U2 requires extreme pilot focus and has a very narrow operational speed range.

Source: Unnamed individual
technologyspecific

The U2's pressure suit is similar to that used by early space shuttle astronauts.

Source: Unnamed individual
technologyspecific

There are high altitude unmanned planes like the RQ80 and RQ70 that are stealthy and operate at super high altitudes.

Source: Unnamed individual
coverupspecific

There was a prototype of the SR72 that went dark and Lockheed has not published any information about it.

Source: Unnamed individual
✦ AI-extracted program intelligence — verify against source testimony

Encounter Context

Factual Details
Military Witness
Dutytest pilot
2 witnesses mentionedDanBernie Kerr

Encounter Research Breakdown

Phenomenological Analysis
physical sightingNLDuration: not_stated
Low Evidential StrengthScore: 9/21commentary
Detail & Specificity
1/3
Corroboration
1/3
Physical Evidence
1/3
Unpredictability
2/3
Perceptual Clarity
1/3
Timely Reporting
1/3
Witness Credibility
2/3

The speaker provides a detailed account of their experiences flying high-performance aircraft, particularly the U2 and SR71, but does not present a specific UAP encounter or first-person account of an anomalous event. The discussion lacks direct evidence of UAP phenomena, resulting in a low score.

The analysis found no relevant content for this section.

visualextraordinary
8/10

view of the curvature of the earth from high altitude

tactile
6/10

feeling of the pressure suit and controls

auditory
5/10

communication with co-pilot during flight

kinesthetic
7/10

physical sensations of flying and maneuvering the aircraft

The analysis found no relevant content for this section.

Luminositynot stated
Soundnot stated
Five Observables (0/5)
positive lift low observability hypersonic velocity trans medium travel instantaneous acceleration

The U2 aircraft was described in detail, focusing on its operational challenges and the experience of flying it.

What makes this encounter unique

The detailed account of flying the U2 highlights the intense physical and mental demands of piloting such a unique aircraft.

✦ AI-extracted phenomenological analysis — verify against source testimony

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Analysis Summary

Program Intel Profile
interviewTopic: technology scienceIntel Value: 7/10
1

Colonel Dan 'Tanna' Isbell

First-Person

Contact Experience Triad

Hynek: NL