The following article is an edited lengthy comment I wrote on YouTube in a thread discussing the Anti-Borg capabilities of Star Trek's Defiant class starship, specifically in regards to the Battle of Sector 001 in the movie "Star Trek: First Contact".
Earlier in the thread it was questioned why Starfleet did not field any additional Defiant class ships besides the USS Defiant in that battle. This comment focused on answering that question specifically.
I do know that history of the Defiant that you discussed - but no matter which way the discussion is sliced (when we ask why more Defiant class ships weren't seen at the Battle of Sector 001) it's important to remember the dates. Since the Battle of Sector 001 is definitely set in 2373, we have a somewhat clear picture to evaluate. We have two named ships confirmed to have been launched prior to the battle: the Defiant herself and
