Final answer:
No, TOP SECRET and Communication Security (COMSEC) material cannot be issued through the Directives Issuance System.
Step-by-step explanation:
No, TOP SECRET and Communication Security (COMSEC) material cannot be issued through the Directives Issuance System. The Directives Issuance System is used for the distribution of official instructions, policy statements, and other administrative directives. TOP SECRET and COMSEC material are typically handled through separate channels to ensure their security and limited access.