^{LOCAL DESTRUCTION REPORT- The} CMS 25B is a two-sided report used to record _{tape (figure 3-1).}

Figure 3-1A.-CMS-25 ONE-TIME KEYING MATERIAL DESTRUCTION REPORT (front).

Figure 3-1B.-CMS-25 ONE-TIME KEYING MATERIAL DESTRUCTION REPORT (back).

_{destruction of keytape segments of COMSEC keying material packaged in the "VF" format} (62 unique segments per canister). Destruction of segments 1-31A must be recorded on the "A" side and segments 1-31B on the "B" side (figure ^3-2)

Figure 3-2A.-CMS 25B COMSEC KEYING MATERIAL LOCAL DESTRUCTION REPORT (front).

Figure 3-2B.-CMS 25B COMSEC KEYING MATERIAL LOCAL DESTRUCTION REPORT (back).

7. CMS 25MC COMSEC KEYING MATERIAL LOCAL DESTRUCTION REPORT- The CMS 25MC is used to record destruction of multiple-copy segments of COMSEC keying material packaged in canisters (figure 3-3).

CMS Destruction

As a Radioman, you may very well be involved with the routine destruction of COMSEC material. The destruction methods that we discussed earlier are also used for COMSEC material. CMS 1 gives complete details on priority of destruction of CMS materials.

ROUTINE DESTRUCTION.- Superseded COMSEC material must be destroyed as soon as possible after supersession. Keying material marked "CRYPTO" must be destroyed no later than 12 hours after supersession. Superseded authentication publications and document; must be destroyed no later than 5 days after supersession.