Bill Anders (LMP)

Houston, this is Apollo 8.

Bill Anders (LMP)

Roger. We tried to get this realignment. We need—Do you have a maneuver to get us some gimbal angles so we don't get gimbal lock when we get the preferred alignment?

Jim Lovell (CMP)

Houston, on our present position, we'll go into gimbal lock. I figure to try and get the preferred angle.

Jim Lovell (CMP)

In running through PROGRAM 52, we got a PROGRAM ALARM 401 which would indicate that if we continued, we'd drive it into gimbal lock.

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Ken Mattingly (CAPCOM)

Apollo 8, Houston. This should be an OPTION 1 like OPTION 3.

Jim Lovell (CMP)

Houston, we're doing an OPTION 1 like OPTION 3. We keep getting a 401 ALARM, which says desired RCTU yields gimbal lock.

Ken Mattingly (CAPCOM)

Apollo 8, Houston. It appears that you have maneuvered around the gimbal locks system.

Frank Borman (CDR)

Roger. Roger.

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Spoken on Dec. 24, 1968, 1:02 a.m. UTC (55 years, 10 months ago). Link to this transcript range is: Tweet

Ken Mattingly (CAPCOM)

Okay. Sorry we were late on that answer.

Jim Lovell (CMP)

Well, we stopped and went through coarse align of P52 and then we got fine align, and pick-a-pair, pick Capella, but she drove and didn't get to any place. I didn't pick Capella, and I can't recognize any out there right now. Can I re-cycle here and go back and pick a pair?

Ken Mattingly (CAPCOM)

That's affirmative, Apollo 8.

Jim Lovell (CMP)

My plan is to go back into re-enter PROGRAM 52—well, it did not drive to Capella, and I can't recognize it in the scanning telescope. My plan is to go back into recall P52.

Ken Mattingly (CAPCOM)

Apollo 8, can you confirm that you zeroed the optics prior to starting?

Jim Lovell (CMP)

Roger. That's affirmative. We zeroed the optics.

Ken Mattingly (CAPCOM)

Apollo 8, Houston. You have a GO for a second try in P52 with an OPTION 3.

Jim Lovell (CMP)

Okay. I now have Aldebaran in the scanning telescope; I might want to call that one instead of Capella.

Frank Borman (CDR)

I'll see what it comes up with first, though.

Frank Borman (CDR)

Houston, Apollo 8. We came up with an unacceptable difference in our stars; we're going to have to recycle.

Frank Borman (CDR)

If we don't get this midcourse in, what will that do to our pericynthian?

Ken Mattingly (CAPCOM)

Apollo 8, Houston. In the event that we don't get this midcourse in, we'll still go for an LOI, and it's been suggested you might try Mirfak which is OCTO 10.

Frank Borman (CDR)

That's the one we're trying now.

Frank Borman (CDR)

We are all set up and counting down at 8 minutes.

Ken Mattingly (CAPCOM)

Apollo 8, our data is down right now; appreciate making sure you have the tape recorder on.

Frank Borman (CDR)

Roger. I am going to go—I'll have to go COMMAND RESET. You've got control.

Frank Borman (CDR)

Roger. You have some pitch and yaw angles for our PTC extra burn.

Ken Mattingly (CAPCOM)

Okay, Apollo 8. That's pitch 348, yaw 315.

Ken Mattingly (CAPCOM)

That's affirmative. And would you give us another hack on your countdown time?