For the Naval UU of Indonesia, it says "available earlier, and faster than the Trireme it replaces". It implies the faster is describing "earlier" if we remove the comma and if we don't, it's still not correct. I suggest
"Available earlier, this unit is faster than the Trireme it replaces."
Or
"This unit is faster and available earlier than the Trireme.
For the Naval UU of Indonesia, it says "available earlier, and faster than the Trireme it replaces". It implies the faster is describing "earlier" if we remove the comma and if we don't, it's still not correct. I suggest
"Available earlier, this unit is faster than the Trireme it replaces." Or "This unit is faster and available earlier than the Trireme.