Singleton v. International Ass'n of Machinists

In this case, we determine the validity of a union security agreement contained in a collective bargaining agreement that requires a private employer at Washington National Airport (National Airport) to condition its employment contracts upon an employee’s union membership. To determine whether this union security agreement is enforceable, we must decide whether Virginia’s right-to-work law, which forbids such agreements, or a federal law, which permits them, controls.1

*405Except for a reservation not material here, effective in 1946, Virginia ceded exclusive jurisdiction over the territory of…