The SFF's weapons were all provided by the United States and consisted mainly of M-1, M-2 and M-3 sub-machine guns. Heavy weapons were not provided. The US government pulled out CIA from the training program as relations with India soured in the early 1970s during the period of Cold War with Sino-Soviet split and Richard Nixon's 1972 visit to China for improving bilateral relationship. The unit conducted limited cross-border reconnaissance missions as well as highly classified joint-operations with the CIA in 1965 on Mount Nanda Devi in the Himalayas.