Simple breech loaded signal pistol. Launching flares at long distances, it can be a handy tool for communication, orientation, or just illumination. Uses flare cartridges.
The label is worn. The only readable parts are the letters "PO-X" and a drawing that displays how to use the injector. Remove the cap and push hard against the skin.
A pen of morphine for intramuscular injection. Affects central nervous system directly and acts as an analgesic. Used for pain relief of severe injuries.