Or, for that matter, take the Enterprise's and Excalibur's deliberate invasions of Tholian space in 2269 and 2298.
Don't you mean the Defiant
? Or am I missing something?
Actually, it should be Excelsior
. Captain Sulu had his ship brought into Tholian territory in The Lost Era: The Sundered
, but it appears that my brain turned "Excelsior" into "Excalibur."