The term 'STARFLEET ACADEMY GRAD' refers to a graduate of the Starfleet Academy, a fictional educational institution featured in the Star Trek universe. The acronym ENS is used to refer to an Ensign, which is the lowest rank of commissioned officer in the United Federation of Planets' Starfleet. Therefore, a STARFLEET ACADEMY GRAD is a graduate of the Starfleet Academy who has achieved the rank of Ensign.