CAPE CANAVERAL, Fla. -- Kennedy Space Center director Bob Cabana, a former space shuttle commander, speaks during the Day of Remembrance ceremony. Visible to the right is former NASA astronaut Jon McBride, chairman of the Astronauts Memorial Foundation board of directors. Space center employees and guests gathered at the Space Mirror Memorial at the visitor complex for the annual event which took place on the 10th anniversary of the loss of the space shuttle Columbia and its crew. The ceremony also honored the astronauts of Apollo 1 and the shuttle Challenger. Dedicated in 1991, the names of fallen astronauts are emblazoned the Space Mirror Memorial's 4.5-foot-high-by-50-foot-wide polished black granite surface which reflects the sky and has been designated by Congress as a National Memorial. Image credit: NASA Television