2 Kirtland AFB Sergeants on a fishing trip with their families saw a group of 7 aluminum circular possibly spherical objects approach from the S at 20,000'.
Pass overhead at 1,500 mph if the altitude was correct, at first appearing like snub nosed jet fighters of unknown type.
Shifting from V formation to L formation to circular formation to no regular formation, at which point a regular pulsating flashing light appeared in the group at 30° from zenith to the North, and at this oblique angle the objects did not appear circular.
No noise or trail.