Although US President Barack Obama is set to leave office in less than a week, his signature will stand testimony on Mars that he once held the highest office in America.
Responding to the moment of galactic glory, Obama tweeted, "That is out of this world. Thanks."
NASA's Curiosity Mars rover's Twitter handle on Thursday posted a photo of a plaque bearing the signatures of Obama, Vice President Joe Biden and the other US officials.
"Signed, sealed, delivered. I carried @POTUS's signature to the surface of #Mars," @MarsCuriosity tweeted.
The photo was taken on September 19, 2012, the rover's 44th Martian day, by the Mars Hand Lens Imager.
The plaque was affixed to the rover's deck with four bolts.
"Similar plaques with signatures... adorn the lander platforms for NASA's Spirit and Opportunity rovers, which landed on Mars in January of 2004," NASA added.
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