MORE than 500 seafarers at the Royal Fleet Auxiliary (RFA) are to strike tomorrow, despite efforts by their union RMT to find a settlement. 

The RFA have imposed a 4.5 per cent pay deal, but the union says this fails to reflect the value and sacrifices of staff in the fleet.

The civilian merchant seafarers work onboard vessels which provide the Royal Navy with vital logistic and operational support, including in humanitarian operations around the globe.