Continuity mistake: In the scene just before the Tiger tank fires on the American tanks, there is a shot taken of the four tanks rolling along at a distance where it is quite clear that the two tanks in front have long barrels on their main gun eg: M4 Shermans with 76mm high velocity guns. Then in the next shot that second long barrel tank is gone and now there are 3 short barrel tanks and only Fury with the 76mm gun.
Continuity mistake: Before the last stand Wardaddy takes a bottle and drinks two gulps before passing it to Bible. In his hands the bottle is full again.
Answer: Although he starts out afraid, awkward and hesitant, Norman gradually becomes battle-hardened throughout the film. But there is one event that probably changes Norman more than anything: When his one-night love interest, Emma, is killed during a German attack. After that, the tank crew realises that Norman has changed, become harder and more focused, and they finally accept him as a team member with the nickname "Machine."
Charles Austin Miller