Academy Extension Course #4077 was a semester-long course taught at Starfleet Academy. In this course, students studied the engineering developments of non-humanoid societies. Upon the successful completion of this course, the student received a certificate of completion signed by the instructor and the dean of students. In an alternate timeline, in 2372, this certificate was on display in Kim's office in San Francisco. as having been completed in the fall of 2371 (VOY: "Non Sequitur")