Talk:Spy/@comment-2003:D3:4BD0:9B00:D54C:908C:4EE7:EEB3-20170719172440/@comment-25254386-20170719173652

Drops aren't dependent on whether is Vault A, B or C, it just matters what order you complete them in.

In your case Vault C was the second Vault you hacked, so you were awarded Streamline.