76. Submarine Emergency Identification Signal, Star, Mk 2 Mod 2 is gradually being re-placed by Submarine Emergency Signal, Star, Mk 3 Mod 0 and Submarine Emergency Sig-nal, Star, Mk 3 Mod 1.

(a) Submarine Emergency Identification Signal, Star, Mk 3 Mod 0 differs from Submarine Emergency Identification Signal, Star, Mk 2 Mod 0 only in the method of expulsion of the inner grenade. Procedure for operation, packing, stowage, and safety precautions are exactly as described in the paragraphs covering those details above.

(b) Submarine Emergency Identification Signal, Star, Mk 3 Mod 1 is similar to the above signals described in paragraph 71, except that it may be ejected at depths up to 285 feet. It carries a time fuze of 54 seconds duration. Otherwise, all instructions given for Submarine Emergency Idenitification Signals Mk 2 Mod 2 and Mk 3 Mod 0 apply.