This is a list of United States Air Force test squadrons. It covers units considered to be part of the Air Force and serves as a break out of the comprehensive List of United States Air Force squadrons. Most units in this list are assigned to Air Force Materiel Command, however, a few reside in other Major Commands of the United States Air Force.

Based on the paragraph above can we conclude that "All units in this list are assigned to Air Force Materiel Command."?
No