Employees from Bath Iron Works file into the Augusta Civic Center to vote on a proposed 4-year contract. Ben McCanna/Staff Photographer

Employees from Bath Iron Works line up outside the Augusta Civic Center to vote on a proposed 4-year contract. Ben McCanna/Staff Photographer

Employees from Bath Iron Works file into the Augusta Civic Center to vote on a proposed 4-year contract. Ben McCanna/Staff Photographer

Employees from Bath Iron Works get their hands stamped after checking in at the Augusta Civic Center to vote on a proposed 4-year contract. Ben McCanna/Staff Photographer

Employees from Bath Iron Works check in union members at the Augusta Civic Center to vote on a proposed 4-year contract. Ben McCanna/Staff Photographer

Employees from Bath Iron Works queue into two lengthy lines outside the Augusta Civic Center to vote on a proposed 4-year contract. Ben McCanna/Staff Photographer

Employees from Bath Iron Works line up outside the Augusta Civic Center to vote on a proposed 4-year contract. Ben McCanna/Staff Photographer