In 2018, there were 37 Yeomen Warders and one Chief Warder. Since 2011, there have been 37 Yeomen Warders and one Chief Warder. Sixteen Yeomen Warders from the Tower of London lined the entrance staircase. Until 2009, sailors were ineligible to become Yeomen Warders. The Tower ravens are tended to by the Ravenmaster of the Yeomen Warders. The Yeomen Warders normally wear an 'undress' uniform of dark blue with red trimmings. The warders and convicts alike are brutalised by the system. Yeomen Warders participate in the Ceremony of the Keys each night. However, the Guard wear a red cross-belt, which distinguishes them from the Yeomen Warders. The Yeoman Warders have been the Royal Bodyguard since at least 1509. As well as having ceremonial duties, the Yeoman Warders provide guided tours around the Tower. Rustomjee was also moved to Durban prison where he was assaulted twice by 'native' warders. These uniforms are referred to by the Yeoman Warders as the "Tudor State Dress". They are under the care of the Ravenmaster, one of the Yeoman Warders. Under the apartheid regime they feared the warders.