Episodi

  • The fuel alarm that forced Grabe's shuttle to burn early

    The fuel alarm that forced Grabe's shuttle to burn early
    Oct 20 2026
    A NASA shuttle pilot feels a fuel alarm on approach to launch and must decide to burn early-did he make it in time?

    The fuel alarm that forced Grabe's shuttle to burn early

    In this episode, we follow Ronald John Grabe’s path from combat pilot to test pilot to NASA astronaut and trace the moments and decisions that led to a tense shuttle launch sequence. The narrative focuses on procedures, training, and the alarm that forced an early burn-what choices did the crew and ground teams face in that moment?

    Person: Ronald John Grabe
    Date: born June 13, 1945
    Location: New York City; later assignments include Bien Hoa, Cannon AFB, Edwards AFB, Boscombe Down
    Event: selected by NASA in August 1981
    Topic: combat missions, test pilot work, and a shuttle fuel alarm

    - Flew 200 combat missions over Vietnam and received the Distinguished Flying Cross and the Air Medal with seven Oak Leaf Clusters
    - Studied aeronautics on a Fulbright at Technische Hochschule Darmstadt before attending pilot training
    - Transitioned from F-100 and F-111 operational flying to test pilot school, earning the Liethen-Tittle Award
    - Served as an exchange test pilot with the RAF at Boscombe Down and became chief project pilot for the Harrier and Sea Harrier
    - Was selected by NASA after accumulating systems-level experience in combat, engineering evaluation, and cross-cultural flight testing

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    © 2026 OBOMEDIA. All rights reserved.
    This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.
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    25 min
  • The Thirty-One Seconds That Saved Columbia From Exploding

    The Thirty-One Seconds That Saved Columbia From Exploding
    Oct 19 2026
    A space shuttle launch faces a critical engine failure, threatening an explosion on the pad. The crew is unaware of how close they are to disaster.

    The Thirty-One Seconds That Saved Columbia From Exploding

    This episode explores the near-catastrophic launch of the Space Shuttle Columbia on January 6, 1986, and the role of a payload specialist who spent years building the satellite it carried. It raises the question of what happens when a system designed to prevent failure barely catches it in time.

    Event: Space Shuttle Columbia launch attempt STS-61-C
    Date: January 6, 1986
    Payload: Satcom Ku-one commercial communications satellite
    Person: Robert Cenker
    Status: Automatic hold triggered at T-minus 31 seconds

    - The automatic hold was triggered at T-minus 31 seconds, preventing an uncontrolled engine ignition.
    - 18,000 pounds of liquid oxygen had already drained from the external tank before the hold.
    - Robert Cenker, a satellite engineer, was a payload specialist on the mission, having spent 18 years building communications satellites like Satcom Ku-one.
    - Columbia's mission STS-61-C had accumulated seven scrubbed launch attempts before January 6, 1986.
    - The abort protocols were designed to catch complex system failures that were difficult to predict in full simulation.

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    © 2026 OBOMEDIA. All rights reserved.
    This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.
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    22 min
  • The extra 136 kilograms tipped the Atlas and cost Shepard's return

    The extra 136 kilograms tipped the Atlas and cost Shepard's return
    Oct 18 2026
    Alan Shepard stares at the capsule Freedom Seven-II, grounded by a decision - will a three-day mission ever lift off?

    The extra 136 kilograms tipped the Atlas and cost Shepard's return

    In this episode, the story follows the planning and cancellation of Mercury-Atlas Ten, showing how engineering limits, program momentum, and personal ambition collided. It asks whether a mission named and crewed before its hardware was proven could have flown - and what that cost the program.

    Person: Alan Shepard
    Event: Cancellation of Mercury-Atlas Ten
    Spacecraft: Freedom Seven-II (Spacecraft 15B)
    Booster: Atlas 144D
    Date: Planning began mid-1961; spacecraft delivered November 1962; renamed January 1963

    - Mission profile called for roughly three days (72 hours) in orbit, far longer than any previous American flight.
    - Engineers calculated an extra 136 kilograms of consumables (oxygen, water, power) to support the extended duration.
    - Spacecraft 15B arrived as a backup for Mercury-Atlas Nine and was slated to become MA-10’s primary vehicle after MA-9.
    - Faith Seven’s 34-hour flight exposed multiple hardware failures and stressed systems close to their limits.
    - The Atlas booster assigned had minimal lift margin, making every added kilogram a critical factor in launch viability.

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    © 2026 OBOMEDIA. All rights reserved.
    This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.
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    19 min
  • The fuel gauge that forced Armstrong to abort the computer and land in seconds

    The fuel gauge that forced Armstrong to abort the computer and land in seconds
    Oct 17 2026
    A fuel gauge ticked toward zero on the Moon as Neil Armstrong cut the computer and searched for a safe spot - did they make it in time?

    The fuel gauge that forced Armstrong to abort the computer and land in seconds

    In this episode, we follow the final hundred seconds before the Apollo 11 landing: the guidance drift, Armstrong’s split-second decision to take manual control, and the tight fuel margin that shaped every choice on the lunar surface. What happened in those seconds changed where they touched down and what they left behind.

    Person: Neil Armstrong
    Person: Buzz Aldrin
    Date: July 20, 1969
    Location: Sea of Tranquility
    Event: Lunar descent and landing

    - Residual pressure in the docking tunnel and imperfect mascon maps steered Eagle four miles off the planned approach.
    - At about 2,000 feet Armstrong realized the computer was flying them toward a boulder-strewn crater and chose to disengage automatic guidance.
    - With roughly sixty seconds of hover fuel left, Armstrong manually searched for a flat patch and guided Eagle to an unplanned touchdown inside the mission ellipse.
    - The crew had a strict surface time budget of two hours and thirty-one minutes driven by oxygen, thermal limits, and ascent fuel constraints.
    - To save every possible ounce for ascent, Aldrin removed and left items like his boots on the lunar surface rather than bring extra mass back.

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    © 2026 OBOMEDIA. All rights reserved.
    This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.
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    23 min
  • The ninety-second hatch that cost them the cabin's only escape

    The ninety-second hatch that cost them the cabin's only escape
    Oct 16 2026
    At Cape Kennedy a sealed command module fills with fire; three astronauts race to open the hatch-can they escape?

    The ninety-second hatch that cost them the cabin's only escape

    In this episode, we follow the last eighty-four seconds inside a Command Module on the ground as a sudden electrical anomaly becomes an expanding fire. What did the crew do in those frantic seconds, and how did one small specification - a ninety-second hatch - shape everything that followed?

    Date: January 27, 1967
    Location: Launch Complex 34, Cape Kennedy
    Event: Plugs-out countdown demonstration
    Person: Roger Chaffee
    Status: Sealed command module; pure-oxygen atmosphere

    - The crew sealed themselves inside the Command Module for a routine ground test called a plugs-out countdown demonstration.
    - Instruments recorded a power surge at 23:30:55 GMT, with the first human voice nine seconds later.
    - The cabin used a slightly above-atmospheric pure-oxygen environment during the test.
    - The hatch required a minimum of ninety seconds to open from the inside under normal conditions, a documented specification.
    - Seventy-two more seconds passed after the first voice before the interior wall burst outward, during which three men attempted every trained procedure.

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    © 2026 OBOMEDIA. All rights reserved.
    This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.
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    20 min
  • The $100K Tool Bag and the Dying Space Station

    The $100K Tool Bag and the Dying Space Station
    Oct 15 2026
    A $100,000 tool bag drifts into space, threatening a crew and the International Space Station. Can they keep the International Space Station alive?

    The $100K Tool Bag and the Dying Space Station

    This episode explores the challenges faced by the crew of Space Shuttle Endeavour's STS-126 mission in November 2008. It details the critical issues threatening the International Space Station and the crew's race against time to resolve them.

    Date: November 18, 2008
    Mission: STS-126
    Spacecraft: Space Shuttle Endeavour
    Crew Size: Seven
    Lost Item: Tool bag

    - Astronaut Heidemarie Stefanyshyn-Piper lost a $100,000 tool bag during her first spacewalk as Lead Spacewalker.
    - The International Space Station's Solar Array Rotary Joint (SARJ) had been malfunctioning for 14 months, limiting power.
    - The SARJ repair required four spacewalks to clean and re-grease bearing surfaces in extreme conditions.
    - The Water Recovery System (WRS), vital for expanding the crew from three to six, shut down on its first night of operation.
    - The WRS was designed to convert urine and wastewater into drinking water, but its output needed ground testing before consumption.

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    © 2026 OBOMEDIA. All rights reserved.
    This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.
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    19 min
  • The padlock that sealed the hatch - and shrank their margin for return

    The padlock that sealed the hatch - and shrank their margin for return
    Oct 14 2026
    A padlock appears on a Space Shuttle Atlantis hatch control, 300 kilometers above Earth. Six people know it is there; the seventh does not.

    The padlock that sealed the hatch - and shrank their margin for return

    This episode explores the story behind a padlock found on the Space Shuttle Atlantis's hatch control during a 1985 mission. It delves into the intense operational pace of the American space program at the time and the unspoken implications of the lock's presence.

    Date: November 1985
    Vehicle: Space Shuttle Atlantis
    Mission: STS-61-B
    Commander: Brewster Shaw
    Mexican Astronaut: Rodolfo Neri Vela

    - The Space Shuttle Atlantis completed a record turnaround of 54 days between missions in 1985.
    - Commander Brewster Shaw installed a padlock on the hatch control during the STS-61-B mission.
    - Six crew members were aware of the padlock, but the seventh, Rodolfo Neri Vela, was not.
    - Neri Vela was the first Mexican citizen in space, deploying a Mexican satellite and conducting experiments.
    - The mission involved two spacewalks and the deployment of three satellites, achieving all official objectives.

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    © 2026 OBOMEDIA. All rights reserved.
    This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.
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    20 min
  • The retrorockets that fired too long sealed the dogs' fate

    The retrorockets that fired too long sealed the dogs' fate
    Oct 13 2026
    A Soviet space mission goes awry when retrorockets fail, sending a capsule with two dogs towards foreign territory. The space program faces a critical decision.

    The retrorockets that fired too long sealed the dogs' fate

    This episode recounts the December 1960 Soviet space mission carrying two dogs, Pchyolka and Mushka, which faced an unexpected trajectory change. It explores the protocol that led to a swift, irreversible command.

    Date: December 1, 1960
    Animals: Pchyolka and Mushka
    Program: Soviet space program
    Spacecraft: Korabl-Sputnik two (Sputnik three)

    - The Soviet space program recruited female street dogs from Moscow, preferring them for their resilience.
    - Mushka was a backup for the Sputnik two mission, undergoing ground tests in a pressure chamber.
    - Pchyolka and Mushka were highly prepared, experienced dogs for the Korabl-Sputnik two mission.
    - The mission profile called for a single day in orbit and a controlled reentry over Soviet territory.
    - Retrorockets fired longer than programmed, altering the reentry angle and trajectory.

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    © 2026 OBOMEDIA. All rights reserved.
    This episode and its content (audio, text, and related materials) are the exclusive property of OBOMEDIA and are protected by applicable copyright laws. Reproduction, distribution, editing, or commercial use, in whole or in part, without prior written permission from OBOMEDIA is prohibited. For permissions, licensing, and business inquiries: business@obomedia.com.
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    23 min