Joint Chiefs of Staff, the

 Longman Dictionary of Contemporary English Online朗文当代英语 5++LDOCE Online朗文 5++the Joint Chiefs of StaffˌJoint ˌChiefs of ˈStaff, the [P]  the leaders of the four main parts of the US military forces, the Army, the Navy, the Airforce, and the Marines. Their job is to advise the US president on important military matters.

ˌJoint ˌChiefs of ˈStaff, theSyllable  

Joint Chiefs of Staff, the
ˌJoint ˌChiefs of ˈStaff, the [P]
the leaders of the four main parts of the US military forces, the Army, the Navy, the Airforce, and the Marines. Their job is to advise the US President on important military matters.