On Nov 23, 2014 at 4:01 pm EST, the crew of Soyuz TMA-15M launched from complex 31 at the Baikonur Cosmodrome. Soyuz commander Anton Shkaplerov, NASA astronaut Terry Virts and ESA flight engineer Samantha Cristoforetti will join the other 3 station crew members to start Expedition 42.
They will dock to the Rassvet module aproximately 6 hours after launch.
UPDATE: Docking occurred at 9:49 pm EST over the Pacific Ocean off the coast of Ecuador.
Source: b&w photos obtained from NASA TV