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Kennedy Space Center, Florida (CNN) -- For Space Shuttle Endeavour Commander Mark Kelly, there was wonderful news guiding up to the launch. His wife, U.S. Rep. Gabrielle Giffords, is there to watch the elevator off.

A bullet tore through the Arizona congresswoman's head,Beats By Dre Headphonesdre headphonesmonster beat, nearly taking her life, less than four months ago.

After the shooting at Giffords' town hall appointment, it was precarious if Kelly would reside on to mandate the mission. This bittersweet love fable has looked Kelly continue training meantime costing nearly every nightfall at his wife's side.

A few months antecedent,beats along dr dreBeats By Dre Headphonatbeats by, before his wife's shooting, Kelly talked about his upcoming task.

"Flying in space namely a very tough entity to give up," Kelly said. "I memorize later my last flight thinking 'Well,Beats By Dre Headphones, maybe this namely the final period I'm gonna do this.' And, you understand, you work a couple of months out and you're like, 'Oh, I actually hope this is no the end of my flying vocation.'"

Kelly said that when STS 134, the Endeavour's last flight, is over, "I'll be analytic the same thing, I can't really give this up. I've got to diagram out a course to get back into space."

As the space shuttle procedure winds down with the last launch, the Atlantis, set for this summer, many in the astronaut regiment are wrestling with what they'll do afterward. Russian rockets will be the merely way for American astronauts to get to space for the foreseeable hereafter.

Endeavour mission specialist Mike Fincke spent a aggregate of a year in space on the multinational space station,dre headphones, getting there and back double on Russian rockets, but this will be is his first shuttle flight.

"I think always of us,dre headphonesmonster beatsdre headphonesbeats by, with all the changes that are going on with our country's space program and NASA, all of us vocational astronauts are looking into our centers to see what we're going to do next,monster beats," Fincke said.

Fincke doesn't ambition to quit NASA.

"I believe in what we are act," he said. "It's pretty extraordinary,dre headphonesmonster beatsdre headphonesbeats by, catching people off the planet Earth and hopefully exploring the solar system."

When mission expert Drew Feustel goes into space ashore the Endeavour,beats by dr dre, it will be his second shuttle flight. He helped fix the Hubble Space Telescope aboard his premier tumble into orbit.

Growing up in Detroit with a dad and uncle who were mechanics served him well, Feustel said.

"I began at an early age with motorcycles and bikes and then eventually bought my first automobile before I was antique enough to drive it, and took it apart in my garage," he said. "There's at fewest 1 or 2 projects in the garage."

He was hoping to get them done before this flight, but after all check there was still work to do.

He'll have a lot of work to do on this mission, with 4 spacewalks arranged. These walks will obtain the space station ready for the time when shuttle teams can't get there. The spacewalkers will retrieve experiments, install current ones, refill tanks and lubricate chapters.

Endeavour's cargo gulf will carry the Alpha Magnetic Spectrometer. At a cost of $1.5 billion, it is the maximum expensive chip of equipment a space shuttle has ever carried.

The AMS is charted to capture space molecules, like anti-matter and black material, which scientists know very tiny about. The AMS will be mounted outside the space station. Scientists hope it will lead to a better knowing of how the macrocosm began and evolved.

The two-week mission will be the end of the space road for Endeavour, built to replace the shuttle Challenger, which was lost with its crew in an burst during ascension in 1986.

Since Endeavour's first mission in 1992, it has flown numerous space-station construction missions and the first Hubble servicing mission.

Endeavour and the additional orbiters have been remarkable flying machines, pilot Gregory Johnson said.

"We have put satellites up into orbit," Johnson said. "We have done charting of the entire topography of the Earth. We have taken up the Hubble Telescope and serviced it several times. And we've built this huge space station. The traffic has done its job."

NASA recently announced namely while Endeavour returns it will be made ready as its terminal voyage to a permanent home, on exhibit by the California Science Center in Los Angeles.