In 1960, the 1st Battalion of the WIR was organized into four companies, one of which was a Headquarters Company, and had a depot with administrative staff. Its strength was about 500 men, half of whom were Jamaican, and about 40 seconded British officers and men. The proportion of non-Jamaicans in the battalion increased to two-thirds during 1960 and 1961 although the majority of the officers remained Jamaicans. The 2nd Battalion was formed as planned in 1960 as was a 3rd Battalion. In preparation for eventual West Indian independence, some bases previously used only by the British army were transferred to the WIR, including Newcastle which in 1959 became the Federal Defence Force Training Depot, training recruits from all over the newly formed Federation of the West Indies.