About 6 hours of slow drift caused some issues relocking and maintaining IMC lock.  Around 15:30 UTC, 8:30AM local, the IMC was unlocked, reset to 7/22 5:06 UTC alignmet, and relocked, and was stable, and withing urads of it's previous alignment.

Plots attached show the drift.

- Ed, TJ, Cheryl, Jenne, JeffK