Prince William is next in line of succession.
Charles X
Probably not, but he can if he wants to.
When/If Charles becomes King Camilla will automatically become Queen. There has been talk that she will not actually be called Queen Camilla though.
When the queen dies or retires princes charles will have the decision to become king or pass it down to william. And if charles becomes king then if he dies or retires william will be king
When the Queen dies, Charles automatically becomes King. However, there are controversies surrounding that there might a generation skip meaning William, 2nd to the throne & Charles' first born, would become King instead of Charles.
The Prince of Wales will become King and will probably take the title Charles III
Either King Charles of England has not been born yet or it could be that the present Prince Charles, the Prince of Wales becomes the next King, in that case he would be King Charles the III rd, and his date of birth is 14th of November 1948. Other countries in Europe have had more than three King Charles including France and Sweden.
If Prince William is alive after the death of his Grandmother Queen Elizabeth II and his Father Prince Charles he will become King.
The reason why Prince William isn't in Afghanistan is because he is next in line to be king after Charles becomes king.
When Prince Charles becomes King, his royal insignia will likely be "C" for Charles and "R" for Rex, which is Latin for King. This would make his monogram "CR." However, he has the option to choose a different regnal name, which could affect the initials used in his insignia. If he decides to use a different name, the insignia would change accordingly.
Most likely Charles will become Charles III although there have been some rumors that he might take the name George VII. Of course he can take any name he wishes when and if he becomes King.
It does indeed, always assuming that Charles becomes king.