ration CTG 7.3 No, 1~53 (f) In Case 3 above if submarine surfaces after the attack, force (g) Make additional reports in accordance with para 4 of this the submarine to remain in vicinity where it has surfaced, and request amplifying instructions from CTG 7.3. Annex, (2) ‘Aircraft of TG 7,3 shall, insofar as possible, teke action paralleling that prescribed for surface security vessels, Vv d. Unidentified submarine is contactedin the Danger Area under circum stances other than those covered in which would be considered hostile. (1) para 3c, and the submerine takes no action A_surface security ship making contact with 2 submarine under the the above circumstances shall: (a) Make a contact report as outlined in pera 4 of this Annex, (b) By means of flashing light, fleg hoist, hailing, blackboard, radio (500'ke CW), hand keyed sonar using Intcrnstional Code Signals (H. 0. 87 end 88), or other means, attempt to communicate the following message to the submarine: "YOU «RE IN 4 Ds.NGEROUS ..REA X PROCEED IN a BIKINI OR ENIWETCK ATCELS." (c) DIRECTION X DC NOT /.PPRO..CH Jy) Attenpt to identify the sutmmrine anc obtain photographs (black and white preferred), giving consideration to 2, below. in self-defense, 2, Teke no action which could be considered hostile, except Be alert for hostile action by the submarine, (4) Maintain contact with the sulmarine until it clears the Danger area, and until released by CTG 7.3. (e) J | (2) Make additional reports as cutlined in para 4 cf this Anncx. An aircraft of TG 7.3 making contact with 2 submarine under the above circumstances shall: (a) Make a contact report as outlined in para 4 of this DNA (b) Track the submarine using standard doctrine until relieved by a surface security vessel or another aircraft. Qa Je5 CHANGE # 2 yr?

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