In addition to the chief of police there shall be
a deputy chief of police and such subordinate officers and patrolmen,
all of the aforesaid serving full time, as shall from time to time
be determined by the town council. All police officers below the rank
of chief of police, shall be appointed or promoted as the case may
be by the mayor upon the recommendation of said chief; provided, that
they shall have satisfactorily passed such qualifying tests as the
town council shall have established by ordinance. They shall hold
their respective offices, during good behavior, until vacated by death,
resignation or retirement or until they shall be removed by the mayor,
in accordance with provisions of this Charter. All members of the
force, except the chief of police, shall at the time of their permanent
appointment have served for a period of not less than six months in
a probationary status during which period they may be removed at any
time by the mayor upon recommendation of the chief of police, with
or without cause. All members of the police department shall be and
remain legal residents of the Town of Johnston for at least one year
prior to their appointment with the exception of the chief of police
who shall become and remain a resident of the town within one hundred
and twenty days after his appointment.