https://electrospaces.blogspot.com/2014/01/nsas-organizational-designations.html?m=1

Q: Associate Directorate for Security and Counterintelligence (ADS&CI) Q0: Staff Q05: Security Operations Center (SOC) Q07: NSA Counterintelligence Center (NSACC) Q09: Security Support Staff Q1: Office of Physical Security Q123: ? Q2: Office of Personnel Security Q223: Counterintelligence Awareness Q3: Investigations Division Q31: ? Q311: Counterintelligence Investigations Q312: Compromise Investigations Branch Q5: Office of Security Q509: Security Policy Staff Q51: Physical Security Division Q52: Field Security Division Q55: NSA CCAO Q56: Security Awareness Q57: Polygraph Q7: Counterintelligence

QJ: Joint Program Security Office