Why is the carrier missing in the mission editor?

[Hoggorm]

Hello,

 

I wonder why the carrier is missing in my mission on one computer, but appears on another?

 

Both have the Supercarrier module installed.

[StevanJ]

Press the tank button at the bottom.

Edited April 26, 2021 by StevanJ

[Hoggorm]

Thank you StevanJ!