Mir 21 crewmember Yuri Usachev is surprised in the Mir Base Block (001). STS-76 Commander Kevin Chilton with checklist in the Base Block (002). Mir 21 Commander Yuri Onufrienko holds a 70mm film magazine with dark slide attached in the Base Block (003). Onufrienko, Mission Specialist Ron Sega and Shannon Lucid (foreground) exchange items, including a 70mm film magazine, in the Base Block (004-6). Usachev in Base Block with sleep quarters to his right (007). Shannon Lucid and Chilton compare notes in the Base Block (008-9, 015). Onufrienko captures activity in Base Block with camera (010). Usachev, Chilton and Lucid in the Base Block (011). Sega poses for photo in sleeping quarters (012-13). Usachev is photographed inside sleeping quarters, the shuttle Atlantis visible through window (014).