Apollo 13 !new! Jun 2026

The crew uncoupled the damaged SM. They finally saw the blown-out exterior paneling.

The Apollo 13 Review Board concluded that the explosion was caused by a combination of poor design, inadequate testing, and a series of minor errors that cascaded into a catastrophe. The Teflon-insulated wires in the oxygen tank, the use of an incorrect thermostat, and the decision to use 65-volt ground support equipment on a 28-volt system—all were human errors.

Inside the Apollo 13 service module, a routine procedure requested by Swigert—a “cryo stir” of the liquid oxygen tanks—sent a command to a small, damaged fan inside Oxygen Tank No. 2. The tank had a fatal flaw: Teflon insulation on its internal wires had been damaged during a pre-launch test months earlier at the Kennedy Space Center. When the fan was turned on, a short circuit ignited the Teflon. In the pure oxygen environment of the tank, the fire was instantaneous and explosive. The tank’s internal pressure skyrocketed from 900 psi to over 1,000 psi in a fraction of a second. The tank blew its dome off, tearing a hole in the adjacent Oxygen Tank No. 1 and shredding the service module’s aluminum panel.

Apollo 13 changed NASA's internal culture. It proved that systemic redundancy, engineering resourcefulness, and rigorous training could avert absolute catastrophe. The mission underscored the inherent danger of space flight. It ultimately paved the way for safer, redesigned hardware during the final Apollo missions. Apollo 13

The result was a catastrophic explosion that crippled the Command Module (CM) Odyssey .

They then transferred back into the frozen, dead command module Odyssey . They had to power it up from scratch, a procedure that had never been fully practiced. The batteries had to last. At 12:07 PM EST on April 17, 1970, the command module separated from the lunar module Aquarius —the little ship that had saved their lives. They aimed for the Pacific Ocean near Samoa.

The Successful Failure: The Heroic Rescue of Apollo 13 On April 11, 1970, a lifted off from Kennedy Space Center, carrying astronauts Jim Lovell , Fred Haise , and Jack Swigert . Intended as the third mission to land on the Moon, Apollo 13 instead became one of the most intense rescue operations in human history—often referred to as NASA's "successful failure". The Critical Malfunction The crew uncoupled the damaged SM

The 1995 film Apollo 13 , directed by Ron Howard and starring Tom Hanks (Lovell), Bill Paxton (Haise), and Kevin Bacon (Swigert), immortalized the mission. It won two Academy Awards and is studied in business schools as a model of crisis leadership.

The crew said goodbye to Aquarius , releasing it into space just before hitting Earth's atmosphere.

Ground engineers designed a makeshift adapter using plastic bags, cardboard, and duct tape. The Trajectory and the Slingshot Maneuver The Teflon-insulated wires in the oxygen tank, the

Gene Kranz, the legendary flight director, gathered his “White Team” in the Mission Control conference room. He famously didn’t pray; he made a list. The decision, made in a matter of minutes, was audacious: they would abandon the command module, power it down completely, and use the Lunar Module Aquarius as a “lifeboat.” Aquarius was designed to support two men for two days on the lunar surface. It now had to support three men for four days, traversing 200,000 miles of cold, radiation-soaked space.

The explosion tore off the side of the Service Module (SM). The crew felt a loud bang and violent shaking. Immediately, alarms blared. Two of the three fuel cells (the ship’s primary power source) began failing. Oxygen Tank No. 1 was rapidly venting into space. The mission had just shifted from a lunar landing to a desperate fight for survival.

Commander. He was the world's most experienced astronaut at the time.