You can create a fleet with your guild members and your friends.
A fleet with fellow guild members can be created without requiring them to be on your friend list.
Tap the chat button and select Guild chat
Tap the green ‘Look for fleet.’
Tap the “Cancel Fleet” button if you change your mind.
Creating a fleet with your friends is similar, but it requires such a player to be on your friends list.
Tap the chat button, and select Private chat
Tap on a player who is on your friend list
Tap the green “Fleet up” button