"WELCOM FELLOW ORBITEERS
Thoughts of Mission B crowd out the memories of Mission A as we get back into the headset harness again and prepare ourselves for training and another successful mission. It's good to see so many of the "Old Pros" again and to recognize the high level of talent of many of our new team members. But even with all this talent Mission B doesn't look much like a picnic. Instead it looks like another challenge that will require our best efforts at all times."
Keith Cowing: it was a common habit to refer to the Lunar Orbiter missions as being "A", "B" etc. as well as "1", "2" or "I", "II".