wrote:
You're
correct. (I was thinking horizon sensor) A quick check on Q-ball
shows that atop the LES there were numerous "openings" These openings
were for "air pressure probes"

There were also the two LES jettison motor nozzles and the
sideways-firing solid engine to push the capsule out of the path of the
booster if it was aborted located in that vicinity.

Pat