This local source record summarizes "National Military Command Center memorandum on the Cannon AFB report", published or preserved by U.S. Department of Defense record / Project Blue Book Archive mirror.
The memorandum records a 21 January 1976 report of two objects near Cannon AFB's flight line and notes security-police, radar and weather checks.
It is an initial operational memorandum; it neither identifies the objects nor establishes an extraordinary origin.