I haven't played any campaign missions but I know in Metaverse, it is a must to have at least 6 to 9 very fast Survey ships

Yes, you do need to research the first sensor tech to get survey sensors.

Here is a link that has a picture of my Survey Ship and this link talks about Survey ships.

When our Enemies win a battle, they called it a VICTORY, 

but when Empress Saint Mina, Our Living Saint wins a battle, they called it a MASSACRE! 

No MERCY!  No RESPITE!  

We are looking for players to join to become aggressive Admirals to lead your fleets across the Galaxy!

Empress Saint Mina of Ophelia VII of Order of the Bloody Rose of Orders Militant of Adepta Sororitas