Twenty-six signed color NASA photos, almost all 8 x 10, with a couple 8.5 x 11, each signed in ink or felt tip by the respective astronaut pictured, with many adding brief inscriptions. Signers are: Umberto Guidoni, Hans Schlegel, Greg Johnson, Steve MacLean, John Herrington, Jim Newman (2), Jerry Ross, Ellen Ochoa, Michael Bloomfield, Eileen Collins, Scott Kelly, Scott Parazynski, Lee Morin, Pat Forrester, Heide Stefanyshyn-Piper, Duane Carey, Mamoru Mohri, Mark Polansky, Kevin Kregel, Doug Wheelock, George Zamka, Jim Kelly, Steve Smith, Tamara Jernigan (inscribed in another hand), and one other. In fine condition. Pre-certified Scott Cornish and RRAuction COA.