Answer:
Navy
Seaman Recruit (SR/E-1)
Seaman Apprentice (SA/E-2)
Seaman (SN/E-3)
Petty Officer 3rd Class (PO3/E-4)
Petty Officer 2nd Class (PO2/E-5)
Petty Officer 1st Class (PO1/E-6)
Chief Petty Officer (CPO/E-7)
Senior Chief Petty Officer (SCPO/E-8)
Master Chief Petty Officer (MCPO/E-9)
Command Master Chief Petty Officer (CMC/E-9)
Master Chief Petty Officer of the Navy (MCPON/E-9)
Explanation:
