the inspirational ms giffords , 44 , flew out of los angeles on thursday with her husband , retired astronaut mark kelly .
the couple visiting the space shuttle endeavour at the california science center in la this week .
giffords wrote : ` so fun to see the awesome space shuttle endeavour with the awesome guy who flew it , captain mark kelly ! '
mark 's identical twin brother , astronaut scott kelly , blasted off aboard on his yearlong mission to the international space station last week .