This is an article by Eric Metaxas
Communion on the Moon: July 20, 1969
“Forty-two years ago two human beings changed history by walking on the surface of the moon. But what happened before Buzz Aldrin and Neil Armstrong exited the Lunar Module is perhaps even more amazing, if only because so few people know about it. "I'm talking about the fact that Buzz Aldrin took communion on the surface of the moon. Some months after his return, he wrote about it in Guideposts magazine.
And a few years ago I had the privilege of meeting him myself. I asked him about it and he confirmed the story to me, and I wrote about in my book “Everything You Always Wanted to Know About God (But Were Afraid to Ask)”.
The background to the story is that Aldrin was an elder at his Presbyterian Church in Texas during this period in his life, and knowing that he would soon be doing something unprecedented in human history, he felt he should mark the occasion somehow, and he asked his minister to help him. And so the minister consecrated a communion wafer and a small vial of communion wine. And Buzz Aldrin took them with him out of the Earth's orbit and on to the surface of the moon.
He and Armstrong had only been on the lunar surface for a few minutes when Aldrin made the following public statement:
