Every content item in this list is tagged with all the required labels:

• ariel
• cryosat-2
• cryosat-2
• data-management
• ir-camera
• microwave
• operational-news
• optics
• remote-sensing

To add a label to the list of required labels, choose '+ labelname' from Related Labels.
To remove a label from the required labels, choose '- labelname' from above.