Starfleet emblems - USS Discovery & USS Protostar

I'm really just trying out Artstation with these, but they are some recent quick fan works made with Affinity Designer. The fonts aren't exact matches but I'm happy enough with the results otherwise.

A reproduction of the USS Discovery emblem seen in season 3.

A reproduction of the USS Protostar emblem seen on the floor of the second deck lobby area behind the bridge.

Starfleet Medical logo as seen on Lower Decks