These insignia were manufactured by V. H. Blackinton & Co., Attleboro, MA.
The cap emblem (half wing) was adopted in 1961; but the cap was discarded after a short time and the emblem went with it. It is 2" wide, with a pin back.
The wing was worn from 1961 until 1967. It is 3 1/4" wide, with a pin back. It was worn as a brooch.