The Attorney Generals in eight right-to-work states have sent a joint letter to the Acting General Counsel of the National Labor Relations Board blasting his April 20 complaint against the Boeing Company alleging that the company violated federal labor law by deciding to transfer a second airplane production line from a union facility in the state of Washington to a non-union facility in South Carolina.

“This complaint represents an assault upon the constitutional right of free speech, and the ability of our states to create jobs and recruit industry,” the letter to Acting NLRB General Counsel Lafe Solomon says. “Your ill-conceived retaliatory action seeks to destroy our citizens’ right to work. It is South Carolina and Boeing today, but will be any of our states, with our right to work guarantees, tomorrow.”