At the very pinnacle of the ship is the main mast, which will house a weather research radar.
You can see it highlighted here in the graphic of RV Investigator – the dome at the top indicates the radar. Work has begun on the main mast as you’ll see in the photos below.
![RV Investigator graphic main mast](https://blog.csiro.au/wp-content/uploads/2013/01/investigator-graphic3.jpg)
![RV Investigator main mast](https://blog.csiro.au/wp-content/uploads/2013/01/main-mast-upper-23.jpg)
![RV Investigator main mast](https://blog.csiro.au/wp-content/uploads/2013/01/mast-mast-upper-12.jpg)