NAVAL STATION ROTA, Spain — Seabee Petty Officer Second Class Erik Balodis once hoped to retire at the company he grew to love. But those aspirations were crushed when automotive parts retail giant Pep Boys fired him in June 2002 after he returned from Navy Reserve training. Company executives contend they laid him off because of poor performance. But Balodis claims the retail chain sacked him because of his military service. He is suing the company for $5 million in lost wages and punitive damages, but hopes the lawsuit will help others. “If nothing else, it’s going to send a...