 Complete the following phrase:  Apart from routine deployment for SAR duties, helicopters of the wing were employed nationally and internationally for disaster relief operations. In the winter of 19691970 Helicopter Transport Wing 64 carried out relief flights to the East Frisian Islands which had been cut off from the mainland following heavy storms lasting for days. In 1969, it took part in a relief operation in Tunisia after heavy flooding. In the wake of the 1970 Bhola cyclone, Helicopter Transport Wing 64 flew supply missions to aid the population in what was then East Pakistan. In 1971, it took part in the relief effort after the Bingöl earthquake in Eastern Anatolia, Turkey. In 1973 the wing flew relief missions in Ethiopia during a period of severe drought. During the 