Three space station fliers -- the outgoing NASA commander and two Russian cosmonauts -- undocked and returned to Earth Wednesday, ending a 167-day stay in space with a nail-biting communications blackout that left the crew out of contact with Russian flight controllers during much of the trip home.

The cause of the communications dropout was not immediately known, but during a brief exchange with recovery crews during the final stages of the descent, spacecraft commander Alexander Samokutyaev reported all three crew members were in good shape. The craft then proceeded to an on-target touchdown on the snowy steppe of Kazakhstan.

Landing was expected around 10:08 p.m., but low clouds and icy fog blocked a clear view of the touchdown and it took another nine minutes or so before Russian recovery crews confirmed the descent module was on the ground and in a vertical orientation. An exact landing time was not immediately known.

As always with Soyuz landings, Russian recovery forces and a team of U.S. and Russian flight surgeons were standing by near the landing zone to help the returning station fliers -- Samokutyaev, flight engineer Elena Serova and Barry "Butch" Wilmore -- out of the cramped descent module for initial medical checks and satellite calls home to friends and family.

Carried to recliners near the descent module and quickly bundled in blankets, all three crew members appeared healthy and in good spirits, smiling and chatting with recovery crews before they were hustled away to a nearby medical tent for more extensive checks.

Before leaving the space station, Wilmore said he looked forward to re-entry aboard the Soyuz.

"It's not many jobs that you have the opportunity to return from work in a 17,000-mile-an-hour fireball," Wilmore, a fighter pilot with a shuttle mission to his credit, joked a few days ago. "This is one of those opportunities! To be honest, I'm not a thrill seeker by any means, but a unique experience like that, I do look forward to it, literally coming back in a fireball."

At touchdown, Samokutyaev had logged a combined 331 days in space during two space flights. Wilmore's total, including one shuttle flight, stood at 178 days while Serova, completing her first mission, had logged 167 days aloft.

All three planned to fly by helicopter to Karaganda before splitting up for separate trips home. Wilmore will board a NASA jet and fly back to Houston while Samokutyaev and Serova will head for home in Star City, near Moscow, for debriefing.

Left behind aboard the space station were Expedition 43 commander Terry Virts, cosmonaut Anton Shkaplerov and European Space Agency astronaut Samantha Cristoforetti. During a change-of-command ceremony Tuesday, Wilmore thanked his crewmates for a successful stay in space.

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