Simplify the following text for a Grade 9 native English-speaking person.
Original: Under this Chapter , the Governor-General is the commander in chief , and may appoint and dismiss the members of the Executive Council , ministers of state , and all officers of the executive government .
Simplified: The Governor-General is the commander in chief . He or she may appoint and dismiss the members of the Executive Council , ministers of state , and all officers of the executive government .