These devices have no expiration date. Marker, Location, Marine. Signal, Smoke and Illumination, Marine. Precautions should be taken when using, handling, and storing pyrotechnic devices. The following are warnings, precautions, and procedures for these devices.
Pyrotechnics are hazardous due to the nature of their explosive, flammable, or toxic tiller.
DO NOT remove the signal device from its hermetically sealed container until immediately before use. Read and follow the firing instructions on the signal body. Handle pyrotechnic flares with the same care as high explosives. Protect flares and signals from moisture. Remove and replace flares when there is evidence of moisture.