"10 changes at NASA with 76 year old Glenn" joke

Top Ten changes at NASA to accommodate 76-yr-old John Glenn's return to space:

10) All important devices now operated by the Clapper
9) Shuttle's thermostat now set at 80 degrees
8) The cargo bay now converted into a shuffle board court
7) Amplifier now installed in the headphones
6) Metamucil now served instead of Tang
5) Little bowls of candy scattered around the ship
4) Top speed of shuttle now set at 25 MPH
3) Installed new bifocal windshield
2) Space pants now go up to the armpits
1) Left blinker left on for the entire mission.