Railjacks arrived in Warframe with Update 26.1, Rising Tide. The Railjack is a massive battleship that takes part in ship-to-ship battles, needs a full crew, and is home to a brand new Cephalon. The Railjack is built and housed in a dry dock in Clan Dojo and can be upgraded with mods, new weapons, and cosmetics.
The first step in building your Railjack is to create a dry dock in your Dojo clan. After that, you will need to research and develop Cephalon Cy. Once these two steps are completed and you have completed The Second Dream quest, you will have access to the Rising Tide quest in your Codex.
The Quest for the Rising Tide
The quest begins after you research and build Cephalon Cy in your Foundry. Go to your Codex, then to Quests and find Rising Tide. Click the "Get Started" button at the bottom right of the screen. Cephalon Cy will ask you to take it to the Dry Dock and set it up there. Go to your Dojo and follow the waypoint.
When Cephalon Cy is installed, it will tell you to build the Railjack; you have to find old parts. It will then show you the location of the first part.
Step 1 - The fuselage
Cephalon Cy will send you to Mars to find the fuselage. Just go to your navigation screen, click on Mars and the mission will be marked on a node. This mission is simple, run to the marker and interact with the fuselage to start scanning it. You need to keep the area away from enemies, as they will interrupt the scan if they get too close. Two sensitive drones will arrive which will block the scanner, so kill them, and the scan can resume. When it's done, head to the extraction.
Cephalon Cy will ask you to go to the Dry Dock. Join the Dojo and Fast Travel there. The fuselage needs to be repaired and you will need the res
