Felix Baumgartner, in pressurized suit on platform at left, prepares to enter the balloon capsule in Roswell, N.M. on Tuesday, Oct. 9, 2012. Baumgartner will attempt to break the speed of sound with his own body by jumping from the space capsule lifted by a 30 million cubic foot helium balloon. Baumgartner plans to jump from an altitude of 120,000 feet - an altitude chosen to enable him to achieve Mach 1 in freefall - which will deliver scientific data to the aerospace community about human survival from high altitudes. (AP Photo/Matt York)
Felix Baumgartner, in pressurized suit on platform at left, prepares to enter the balloon capsule in Roswell, N.M. on Tuesday, Oct. 9, 2012. Baumgartner will attempt to break the speed of sound with his own body by jumping from the space capsule lifted by a 30 million cubic foot helium balloon. Baumgartner plans to jump from an altitude of 120,000 feet - an altitude chosen to enable him to achieve Mach 1 in freefall - which will deliver scientific data to the aerospace community about human survival from high altitudes. (AP Photo/Matt York)
The 30 million cubic foot helium balloon is inflated prior to take off, Tuesday, Oct. 9, 2012, in Roswell, N.M. Felix Baumgartner will attempt to break the speed of sound with his own body by jumping from a space capsule lifted by the helium balloon. Baumgartner plans to jump from an altitude of 120,000 feet--an altitude chosen to enable him to achieve Mach 1 in freefall ? which will deliver scientific data to the aerospace community about human survival from high altitudes. (AP Photo/Matt York)
In this July 25, 2012 photo provided by Red Bull Stratos, a balloon lifts up during the second manned test flight for Red Bull Stratos in Roswell, N.M. It?s described as a ?40-acre dry cleaner bag,? that, when first filled, will stretch 55 stories high. On Monday, this special ultra-thin helium balloon is scheduled to liftoff from Roswell, N.M., to carry "Fearless Felix" Baumgartner 23 miles into the stratosphere for what he hopes will be a history-making, sound barrier-breaking skydive. (AP Photo/Red Bull Stratos)
In this Feb. 23, 2012 photo provided by Red Bull Stratos, pilot Felix Buamgartner of Austria shows a piece of the balloon material during the Red Bull Stratos egress training in Lancaster, Calif. It?s described as a ?40-acre dry cleaner bag,? that, when first filled, will stretch 55 stories high. On Monday, this special ultra-thin helium balloon is scheduled to liftoff from Roswell, N.M., to carry "Fearless Felix" Baumgartner 23 miles into the stratosphere for what he hopes will be a history-making, sound barrier-breaking skydive. (AP Photo/Red Bull Stratos, Joerg Mitter)
FILE - In this Thursday, March 15, 2012 photo provided by Red Bull Stratos, Felix Baumgartner prepares to jump during the first manned test flight for Red Bull Stratos over Roswell, N.M. On Monday, Oct. 8, 2012 over New Mexico, Baumgartner will attempt to jump higher and faster in a free fall than anyone ever before and become the first skydiver to break the sound barrier. (AP Photo/Red Bull Stratos, Jay Nemeth)
ROSWELL, N.M. (AP) ? Blame it on the wind. Again.
For the second straight day, extreme athlete Felix Baumgartner aborted his planned death-defying 23-mile free fall because of the weather, postponing his quest to become the world's first supersonic skydiver until at least Thursday.
As he sat Tuesday morning in the pressurized capsule waiting for a 55-story, ultra-thin helium balloon to fill and carry him into the stratosphere, a 25 mph gust rushed across a field near the airport in Roswell, N.M.
The wind rushed so fast that it spun the still-inflating balloon as if it was a giant plastic grocery bag, raising concerns at mission control about whether it was damaged from the jostling.
The balloon is so delicate that it can only take off if winds are 2 mph or below on the ground.
"Not knowing if the winds would continue or not, we made the decision to pull the plug," mission technical director Art Thompson said. Baumgartner's team said he has a second balloon and intends to try again.
Thompson said the earliest the team could take another shot would be Thursday because of weather and the need for the crew ? which worked all night Monday ? to get some rest.
The cancellation came a day after organizers postponed the launch because of high winds. They scheduled the Tuesday launch for 6:30 a.m. near the flat dusty town best known for a rumored UFO landing in 1947.
High winds kept the mission in question for hours.
When winds died down, Baumgartner, 43, suited up and entered the capsule. Crews began filling the balloon. A live online video feed showed a crane holding the silver capsule off theground.
The team's discovery that it had lost one of two radios in the capsule and a problem with the capsule itself delayed the decision to begin filling the balloon, pushing the mission close to a noon cutoff for launch.
"It was just a situation where it took too long," mission meteorologist Don Day said.
After sitting fully suited up in his capsule for nearly 45 minutes, Baumgartner left the capsule and departed the launch site in his Airstream trailer without speaking to reporters.
The feat, sponsored by energy drink maker Red Bull, was supposed to be broadcast live on the Internet, using nearly 30 cameras on the capsule, the ground and a helicopter.
A 20-second delay would allow them to shut down the feed if an accident occurred.
The plan was for Baumgartner to make a nearly three-hour ascent to 120,000 feet, then take a bunny-style hop from the capsule into a near-vacuum where there is barely any oxygen to start his jump.
The jump poses many risks. Any contact with the capsule on his exit could tear the pressurized suit. A rip could expose him to a lack of oxygen and temperatures as low as 70 degrees below zero. It could cause potentially lethal bubbles to form in his bodily fluids, a condition known as "boiling blood."
He could also spin out of contro, causing other problems.
While Baumgartner hopes to set four new world records in all when he jumps, his dive is more than just a stunt.
His free fall should provide scientists with valuable information for next-generation spacesuits and techniques that could help astronauts survive accidents.
Currently, spacesuits are certified to protect astronauts to 100,000 feet, the level former Air Force Capt. Joe Kittinger reached in his 1960 free-fall record from 19.5 miles.
Kittinger's speed of 614 mph was just shy of breaking the sound barrier at that altitude.
Baumgartner expects to hit 690 mph, if and when the wind cooperates enough to give him the chance to jump.
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Follow Jeri Clausing at http://twitter.com/jericlausing.
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