Space Station Photos: Expedition 38 Mission Crew in Orbit

Expedition 38 Crew Take Part in Emergency Drill

The Expedition 38 crew members participate in an emergency simulation drill with participation from flight controllers on the ground. During the exercise, the crew practiced emergency communication and procedures in response to a predetermined scenario such as pressure leak. Pictured in the International Space Station's Destiny laboratory are Russian cosmonaut Oleg Kotov (left), commander; NASA astronaut Michael Hopkins (bottom), Japan Aerospace Exploration Agency astronaut Koichi Wakata (right) and Russian cosmonaut Sergey Ryazanskiy, all flight engineers. Image released Dec. 4, 2013.

Mike Hopkins Tweets ‘Great Day of Science’ Aboard ISS

This photo of NASA astronaut Mike Hopkins was taken aboard the International Space Station on Jan. 22, 2014. “Great day of science on board ISS. Rick & I performed an experiment with spheres & simulated fuel tank,” Hopkins tweeted.

Rick Mastracchio Moves at Sunrise

NASA astronaut Rick Mastracchio moves toward the International Space Station's robotic arm as the station moves into daylight on Dec. 24, 2013.

Mike Hopkins on Space Station's Robotic Arm

NASA astronaut Mike Hopkins prepares to attach himself to the International Space Station's robotic arm during a Christmas Eve spacewalk on Dec. 24, 2013.

Hopkins and Soyuz

NASA's Mike Hopkins holds the space station's new pump module while floating past a Russian Soyuz spacecraft.

Rick Mastracchio Removes Degraded Ammonia Pump

Flight Engineer Rick Mastracchio works outside the International Space Station during Saturday's spacewalk to remove a degraded ammonia pump. This image was released Dec. 23, 2013.

New Pumpkin Grows Aboard ISS

This wonderful photo was taken by NASA astronaut Mike Hopkins from the International Space Station on Dec. 8, 2013. “A new pumpkin is on its way! It took a week to reach this point from when I first put water on the seed,” Hopkins tweeted.

Koichi Wakata Tweets Selfie After ARISS Radio Event

This photo was taken of JAXA astronaut Koichi Wakata aboard the International Space Station on Dec. 12, 2013. “Everyone who gathered in the ARISS program in Kyoto Municipal Luoyang Technical High School: It was fun to take part in the amateur radio communication event today. Thank you for all the great questions,” Wakata tweeted.

Koichi Wakata Tweets Selfie in ISS Cupola

This photo was taken of JAXA astronaut Koichi Wakata aboard the International Space Station on Dec. 2, 2013. “I'm going shooting every day working with ultra-high sensitivity 4K camera in Japan in the cupola of the ISS,” Wakata tweeted.

Rick Mastracchio Investigates Slosh in Tanks

This photo was tweeted by NASA astronaut Rick Mastracchio while aboard the ISS on Jan. 23, 2014. “With the latest SPHERES experiment investigating slosh in tanks. Very important in rocket, spacecraft design and more,” Mastracchio tweeted.