You have to have a security level of SL3 or higher to do this.
- Navigate to Manage > Aeros and find the Aero you want to start.
- If you don't have access to the Manage > Aeros screen, you may be able to access the Aero via the My Companies screen.
- Click the View button to edit it.
- Change the Assigned to dropdown so that your name is chosen.
- Scroll down to the bottom of the screen and click the Save & Start button.