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They are obtained from successfully accomplishing Assassination missions on planets within the Solar System, with each segment tied to a particular Boss. Upon receiving a Nav segment, they are activated automatically by accessing navigation from your landing craft after receiving the segment. It will not work immediately if you access navigation from a relay, but once it is installed on your landing craft, it will work anywhere.
For new Tenno, the nodes are locked, so this walkthrough should allow stuck Tenno to continue their quest to unlock all planets and nodes of the solar map.
- Earth is the first unlocked segment in the Liset.
- At one point, the prologue (Vor's Prize) will promptly award you with a Mercury Nav Segment.
- Defeating Captain Vor on Tolstoj, Mercury, allows the Tenno to collect two Nav segments, one for Mars and one for Venus.
Here the solar map parts into two paths. It should be noted that planets that are in the same horizontal chain have similar level caps.
- Defeating Lieutenant Lech Kril on War, Mars, allows the Tenno to collect a Nav segment for Saturn.
- Defeating General Sargas Ruk on Tethys, Saturn, allows the Tenno to collect a Nav segment for Phobos.
- Defeating The Sergeant on lliad, Phobos, allows the Tenno to collect a Nav segment for Europa.
- Defeating The Raptor on Naamah, Europa, allows the Tenno to collect a Nav segment for Neptune.
- Defeating the Hyena Pack on Psamathe, Neptune, allows the Tenno to collect the Nav segment for Ceres and Pluto.
- Defeating Lieutenant Lech Kril on Exta, Ceres does not give a Nav Segment due to it being the end of one line from Neptune.
- Defeating Ambulas on Hades, Pluto, finishes Path Mars of the Solar System.
- Defeating The Jackal on Fossa, Venus, allows the Tenno to collect a Nav segment for Jupiter.
- Defeating Alad V on Themisto, Jupiter, allows the Tenno to collect a Nav segment for Sedna.
- Defeating Kela De Thaym on Merrow, Sedna, allows the Tenno to collect a Nav segment for Uranus.
- Defeating Tyl Regor on Titania, Uranus, allows the Tenno to collect a Nav segment for Eris.
- Defeating Mutalist Alad V after completing the Patient Zero Quest and crafting a Mutalist Alad V Assassinate Key and Jordas Golem on Jordas Golem Assassination, Eris after completing The Jordas Precept Quest, finishes Path Venus of the Solar System.
- Nav Segments can be obtained multiple times, but only the first installation is required for the planets to be unlocked.
- As of Update: Specters of the Rail, Nav Segments can be sold for 5 each.