Expedition 25

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International Space Station insignia.

ISS Expedition 25 Patch.png
The mission patch design for the 25th Expedition to the International Space Station (ISS) pays tribute to the rich history of innovation and bold engineering in the quest for knowledge, exploration and discovery in space. The patch highlights the symbolic passing of the torch to the ISS, as the vehicle that will carry us into the future of space exploration. The Space Shuttle Program emblem is the foundation of the patch and forms the Greek letter 'Alpha' with a new dawn breaking at the center, symbolizing a new vision for space exploration. The Alpha symbol is overlaid by the Greek letter 'Omega', paying tribute to the culmination of the Space Shuttle Program. The mission designation '25' is shown centered at the bottom of the patch, symbolizing the point in time when the Space Shuttle, the workhorse of the ISS assembly process, will make its final visit to the ISS. Between the '25' and the Earth crescent, the orbiter is shown returning to Earth on its final journey, during the Expedition 25 mission. Above Earth and the breaking dawn, the ISS takes center-stage, completed and fully equipped to carry us beyond this new dawn to new voyages and discoveries. The orbit connecting the ISS and the Earth is drawn in the colors of the United States and Russian flags; paying tribute to the blended heritage of the crew. The two largest stars in the field represent the arrival and departure of the crews in separate Russian Soyuz vehicles. The six stars in the field represent the six crew members. The International Space Station abbreviation 'ISS' and 'MKC' - in English and Russian, respectively - flank the mission number designation, and the names of the crew members in their native languages border the ISS symbol.

ISS Expedition 26 Patch.png
In the foreground of the patch, the International Space Station is prominently displayed to acknowledge the efforts of the entire International Space Station (ISS) team - both the crews who have built and operated it, and the team of scientists, engineers, and support personnel on Earth who have provided a foundation for each successful mission. Their efforts and accomplishments have demonstrated the space station's capabilities as a technology test bed and a science laboratory, as well as a path to the human exploration of our solar system and beyond. The ISS is shown with the European Space Agency's (ESA) Automated Transfer Vehicle (ATV-2), the Johannes Kepler, docked to resupply it with experiments, food, water, and fuel for Expedition 26 and beyond. This Expedition 26 patch represents the teamwork among the international partners - USA, Russia, Japan, Canada, and the ESA - and the ongoing commitment from each partner to build, improve, and utilize the ISS. Prominently displayed in the background is our home planet, Earth - the focus of much of our exploration and research on our outpost in space. The two stars symbolize two Soyuz spacecraft, each one carrying a three-member crew, who for four months will work and live together aboard the ISS as Expedition 26. The patch shows the crewmembers' names, and it's framed with the flags of their countries of origin - United States, Russia, and Italy.

Expedition 25 crew portrait.jpg
Expedition 25 crew members take a break from training at NASA's Johnson Space Center to pose for a crew portrait. Pictured at center right is NASA astronaut Doug Wheelock, commander. Also pictured (from the left) are Russian cosmonauts Oleg Skripochka and Alexander Kaleri; NASA astronauts Scott Kelly and Shannon Walker; along with Russian cosmonaut Fyodor Yurchikhin, all flight engineers.
The portrait's background is a photograph of the M78 nebula and its reflecting dust clouds in the constellation Orion as captured by astrophotographer Ignacio de la Cueva Torregrosa.

ISS Expedition 24 Patch.svg
The official crew patch for Expedition 24, the 24th long-duration mission to the International Space Station.

• Science and Exploration are the cornerstones of NASA's mission onboard the International Space Station (ISS). This emblem signifies the dawn of a new era in our program's history. With each new expedition, as we approach assembly complete, our focus shifts toward the research nature of this world-class facility. Prominently placed in the foreground, the ISS silhouette leads the horizon. Each ray of the sun represents the five international partner organizations that encompass this cooperative program. Expedition 24 is one of the first missions expanding to a crew of six. These crews, symbolized here as stars arranged in two groups of three, will launch on Soyuz vehicles. The unbroken flight track symbolizes our continuous human presence in space, representing all who have and will dedicate themselves as crew and citizens of the International Space Station.