In 1962, Armstrong was transferred to astronaut status. He served as command pilot for the Gemini 8 mission, launched March 16, 1966, and along with David Scott, performed the first successful docking of two vehicles in space by mating his Gemini 8 with an uninhabited Agena rocket.
They're 82 years old at this time
It does not really say when they were born, so we can't tell how old they are.
( z1 age :ARG1 ( z2 they ) :ARG2 ( z3 temporal-quantity :quant 82 :unit ( z4 year ) ) :time ( z5 time :mod ( z6 this ) ) )