CASTINE — Maine Maritime Academy alumni from throughout the United States are returning to the Castine campus this weekend.

For this year’s homecoming, reunion classes from 1946 and every five years after that through 2006 are being honored.

Today’s events include a special “Eight Bells” Memorial Service honoring deceased members of the Class of 1961.

A special program highlights recent developments at the academy and feature new teaching technology and laboratories.

This year’s celebration includes a Homecoming Festival featuring a marketplace and auto display.