oh i forgot this

code/game/machinery/vending/vendor_types/crew/senior_officers.dm

@@ -323,6 +323,7 @@ GLOBAL_LIST_INIT(cm_vending_clothing_xo, list(
 
 		list("HATS (CHOOSE 1)", 0, null, null, null),
 		list("Officer Beret", 0, /obj/item/clothing/head/beret/marine/chiefofficer, MARINE_CAN_BUY_MASK, VENDOR_ITEM_REGULAR),
+		list("Service Peaked Cap", 0, /obj/item/clothing/head/marine/peaked/service, MARINE_CAN_BUY_MASK, VENDOR_ITEM_REGULAR),
 		list("Patrol Cap", 0, /obj/item/clothing/head/cmcap, MARINE_CAN_BUY_MASK, VENDOR_ITEM_REGULAR),
 		list("Officer Cap", 0, /obj/item/clothing/head/cmcap/bridge, MARINE_CAN_BUY_MASK, VENDOR_ITEM_REGULAR),
 	))

code/game/machinery/vending/vendor_types/crew/staff_officer.dm

@@ -29,6 +29,7 @@ GLOBAL_LIST_INIT(cm_vending_clothing_staff_officer, list(
 		list("Beret, Tan", 0, /obj/item/clothing/head/beret/cm/tan, MARINE_CAN_BUY_HELMET, VENDOR_ITEM_RECOMMENDED),
 		list("Patrol Cap", 0, /obj/item/clothing/head/cmcap, MARINE_CAN_BUY_HELMET, VENDOR_ITEM_RECOMMENDED),
 		list("Officer Cap", 0, /obj/item/clothing/head/cmcap/bridge, MARINE_CAN_BUY_HELMET, VENDOR_ITEM_RECOMMENDED),
+		list("Service Peaked Cap", 0, /obj/item/clothing/head/marine/peaked/service, MARINE_CAN_BUY_HELMET, VENDOR_ITEM_RECOMMENDED),
 
 
 		list("PERSONAL SIDEARM (CHOOSE 1)", 0, null, null, null),

code/modules/clothing/head/head.dm

@@ -506,6 +506,15 @@
 		WEAR_HEAD = 'icons/mob/humans/onmob/head_1.dmi'
 	)
 
+/obj/item/clothing/head/marine/peaked/service
+	name = "marine service peaked cap"
+	desc = "A peaked cap. Wearer may suffer the heavy weight of responsibility upon their head and shoulders."
+	icon = 'icons/obj/items/clothing/cm_hats.dmi'
+	icon_state = "marine_service"
+	item_icons = list(
+		WEAR_HEAD = 'icons/mob/humans/onmob/head_1.dmi'
+	)
+
 /obj/item/clothing/head/marine/peaked/captain
 	name = "marine commanding officer peaked cap"
 	desc = "A peaked cap with the commanding officer's insignia emblazoned on it. Wearer may suffer the heavy weight of responsibility upon their head and shoulders."

code/modules/gear_presets/uscm_ship.dm

@@ -411,7 +411,7 @@
 	service_under = list(/obj/item/clothing/under/marine/officer/formal/white, /obj/item/clothing/under/marine/officer/formal/black)
 	service_shoes = list(/obj/item/clothing/shoes/dress/commander)
 	service_extra = list(/obj/item/clothing/suit/storage/jacket/marine/dress/officer/bomber)
-	service_hat = list(/obj/item/clothing/head/beret/cm, /obj/item/clothing/head/beret/marine/commander/dress, /obj/item/clothing/head/beret/marine/commander/black)
+	service_hat = list(/obj/item/clothing/head/beret/cm, /obj/item/clothing/head/beret/marine/commander/dress, /obj/item/clothing/head/beret/marine/commander/black, /obj/item/clothing/head/marine/peaked/service)
 
 	dress_under = list(/obj/item/clothing/under/marine/dress, /obj/item/clothing/under/marine/officer/formal/servicedress)
 	dress_extra = list(/obj/item/storage/large_holster/ceremonial_sword/full)
@@ -529,7 +529,7 @@
 	new_human.equip_to_slot_or_del(new /obj/item/clothing/under/marine/officer/bridge(new_human), WEAR_BODY)
 	new_human.equip_to_slot_or_del(new /obj/item/clothing/suit/storage/jacket/marine/service(new_human), WEAR_JACKET)
 	new_human.equip_to_slot_or_del(new /obj/item/clothing/shoes/dress(new_human), WEAR_FEET)
-	new_human.equip_to_slot_or_del(new /obj/item/clothing/head/cmcap(new_human), WEAR_HEAD)
+	new_human.equip_to_slot_or_del(new /obj/item/clothing/head/marine/peaked/service(new_human), WEAR_HEAD)
 	new_human.equip_to_slot_or_del(new back_item(new_human), WEAR_BACK)
 	new_human.equip_to_slot_or_del(new /obj/item/storage/pouch/general/large(new_human), WEAR_L_STORE)
 	new_human.equip_to_slot_or_del(new /obj/item/storage/pouch/general/large(new_human), WEAR_R_STORE)