 It took her two months to complete her circumnavigation of Africa and Europe.Refitting and mid-life upgrading of her military computers reportedly cost ~$1.5 million ($11.1 million in 2015–16).The program started in March 1968 and completed in April 1970 and it is believed that the U.S-made ill-fitted World War II era Mk.14/Mk.10 naval mines were bought "secretly" from Turkey.