can say unequivocally that we're standing on john glenn's shoulders as bee pursue a journey to mars. a journey that would not be possible without his bravery and sel selfless dedication. i know that and countless other astronauts who had the privilege of following senator glenn into space can pinpoint his remarkable accomplishment as the first american to orbit earth as the seed of our aspirations. even in his 70s he continued to break barriers taking to space again in the space shuttle. i was so proud to see this american soar on the sts95 mission. just as with his first flight, he planted a seed that someday americans from all walks of life might experience space and the wonder of our planet from orbit and see it as a unified hold. kennedy space center director bob cabana, another marine,