One of your queries Eklinaar, yes other starbases DO have recruitment assignments, I saw one in K7 yesterday.
And the purple for DV is Maela same stats as the blue but female.
Originally Posted by Eklinaar
Additionally, completing the chain unlocks the following assignment. This assignment has the yellow text indicating it is part of the chain, but the only assignment it is known to unlock is a repeatable version of itself. It is unknown if this assignment is not working correctly or if there are more assignments after it that have not yet been discovered.
The military base one is supposed to appear BEFORE renown. At least it did on Tribble. That it's appearing after Renown is likely to be a bug.
You might want to note that if you crit Support, you get a purple version of the Renown Doff.