The vertical stabilizer or fin is fixed to the aircraft and supports the rudder.
From the en.wikipedia.org
They fabricate tail structures for the 777 and the vertical fin for the 787.
From the thenewstribune.com
There is a flap-like, vertical fin surrounding the pointed tail.
From the en.wikipedia.org
The pressure tore off the vertical fin, causing the crash.
From the foxbusiness.com
The vertical fin is the only major part of the 787 Dreamliner that Boeing is building in one of its own plants.
From the thenewstribune.com
The rear section of the vertical fin is the rudder, a movable airfoil that is used to turn the aircraft in combination with the ailerons.
From the en.wikipedia.org
During climb, the aircraft lost most of its vertical fin due to overcontrol of the rudder while encountering wake turbulence, and crashed into the Belle Harbor neighborhood of Queens.
From the en.wikipedia.org
Most aircraft featured a swept blade antenna on the upper fuselage, as well as extra wire antennas between the vertical fin and upper fuselage not found on other C-130s.
From the en.wikipedia.org
Note the chrome exhaust outlet with its vertical center fin.