<prompt> Gadzira shanduro yakaoma kunzwisisa yemutsara uyu Navigational uye tactical kuratidza masisitimu kubva kuna Kelvin Hughes anoiswa mungarava mune anopfuura mauto ehondo 30 pasi rose.  <response>: 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. 