Gadzira shanduro yakaoma kunzwisisa yemutsara uyu Navigational uye tactical kuratidza masisitimu kubva kuna Kelvin Hughes anoiswa mungarava mune anopfuura mauto ehondo 30 pasi rose.
Zvechokwadi, shanduro yakaoma zvikuru yemutsara ndeyekuti "Navigational uye tactical display systems kubva kuKelvin Hughes yakagadzirirwa kune zvikepe mune zvinopfuura 30 navy munyika yose uye midziyo yakakurumbira kusanganisira Mambokadzi Mary 2 yakagadzirirwa nehutano hwakabatanidzwa hwemagetsi kubva kuKelvin Hughes. "