To obtain probationary member status, an applicant is required to attend one event. To obtain full membership status, a probationary member is expected to attend at least two events in one calendar year. Once full membership has been achieved, there are no requirements for attendance, though members are encouraged to attend all "maximum effort" events, that is, events that are of particular importance to the unit. Naturally, we would like all members to attend all events, but as this is a volunteer organization, this is not always possible.