British Airways and replace them with agency staff; it is estimated that the strike cost British Airways £30 million and caused disruption to 100,000 passengers. In October 2006, BA became involved in a civil rights dispute when a Christian employee was forbidden to wear a necklace bearing the cross, a religious symbol. BA's practice of forbidding such symbols has been publicly questioned by British politicians such as the former Home Secretary John Reid and the former Foreign Secretary Jack Straw. Relations have been turbulent between BA and Unite. In 2007, cabin crew threatened strike action over salary changes to be imposed by
GCHQ trade union ban GCHQ trade union ban The GCHQ trade union ban was a ban on trade union membership of employees at the Government Communications Headquarters in Cheltenham between 1984 and 1997. This was based on the claim by the Conservative government that it undermined national security. It sparked a dispute which became a cause célèbre, one of the most important trade union issues of the 1980s and the second longest continuously fought dispute in British trade union history. In 1981, a series of strikes in Whitehall over pay led to industrial action at Government Communications Headquarters (GCHQ) intelligence 'listening centre' network based