Image: Astronauts Pamela Melroy and Peggy Whitson
Nasa
Veteran astronauts Pamela Melroy and Peggy Whitson will lead a joint construction mission to the international space station next month.
By Staff Writer
updated 9/13/2007 3:30:53 PM ET 2007-09-13T19:30:53

Two NASA astronauts will make history next month when they become the first female spacecraft commanders to lead their orbital missions at the same time.

Veteran spaceflyers Pamela Melroy and Peggy Whitson will lead a joint construction mission to the international space station next month. Melroy will command the space shuttle Discovery's STS-120 flight to the space station, where her seven-astronaut crew and Whitson's Expedition 16 team aboard the outpost will install a new orbital node.

"I'm actually very excited about it," Whitson said in an interview.

Whitson, an accomplished biochemist and soon-to-be first female space station commander, said she and Melroy have flown together in the past. The spaceflyers last met in orbit during NASA's STS-112 station assembly mission in 2002, but back then Melroy served as a shuttle pilot and Whitson an Expedition 5 flight engineer.

"So it will be fun to sort of rejoin again on orbit, this time with slightly different roles," said Whitson, 47, who will launch to the space station Oct. 10 aboard a Russian Soyuz spacecraft.

Melroy, a two-time shuttle pilot, and her crew are due to launch toward the space station on Oct. 23 and dock at the space station two days later.

"I confess that I really look forward to that first handshake across that hatch," Melroy said of her plans to note the female spaceflight first. "That'll be all the commemoration that I need is a picture of that."

The joint shuttle-space station crew will install the new Harmony connecting node to serve as a foundation for future international laboratories. The astronauts will also move the station's Port 6 solar array segment from its mast-like central perch to the outpost's left-most edge.

"It is a complicated mission," Melroy, 45, told SPACE.com. "Essentially, we've got two large pieces of the station that we're doing assembly operations with, and that's pretty unusual."

A colonel in the U.S. Air Force, Melroy is the second female shuttle commander and the only one currently on active duty. Eileen Collins, NASA's first woman shuttle pilot and commander, retired from the agency last year.

Melroy does not expect another female astronaut to command a shuttle mission by NASA's planned 2010 retirement of its three-orbiter fleet.

"I think it's pretty unlikely, actually, because we don't have anybody in the pilot queue who is a woman test pilot," Melroy said. "But I'm hopeful for the future. I think this may be the first time two women commanders fly in space, but I'm sure it won't be the last."

Melroy and Whitson agreed that persistence is key for any young women hoping to join NASA's astronaut corps or the military. Whitson, a Beaconsfield, Iowa, native with a doctorate in biochemistry, said she applied to be an astronaut for 10 years straight before finally being accepted.

"I would certainly encourage young people to pursue their dreams," Whitson said. "It isn't always an easy path, but it's worth going after. And I figure if a farmer's daughter from Iowa can become an astronaut, you can be just about anything you want to be."

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