More from the book once marked ‘RESTRICTED’ that was used to train American submariners in the days of World War II. Thanks to EUGENE ZIEGLER (2143-+-1992) for this book.

The three basic lookouts are known as ‘Port Lookout’, ‘Starboard Lookout’ and ‘Stern Lookout’. If additional lookouts are used, they should be given call names appropriate to their functions on the bridge.

FROM	OVER	ORDERS
STATIONING THE LOOKOUT WATCH:
OOD	verbally to CPO of the watch	“Assemble the lookouts’
CPO of the Watch	verbally to the OOD	“Lookouts in the control room”
OOD	verbally	“Lookouts to the bridge”
RELIEVING A LOOKOUT
Relief lookout	verbally to the OOD	“Permission to relieve port lookout”
OOD	verbally	“Granted”
Relief to duty lookout	verbally	"Ready”
Duty lookout	verbally to his relief	“Your sector is two four ze-ro to ze-ro ze-ro ze-ro. Sector clear (or) Ship, two eight ze-ro, horizon, has been reported.”
Duty lookout	verbally to the OOD	“Port lookout relieved”

SEARCH ORDERS FROM OOD - all verbal on the bridge
“Starboard lookout, search from ze-ro fi-yiv ze-ro to ze-ro seven ze-ro”
“Stern lookout, remain on target”
“Starboard lookout, resume sector search.”

CLEARING THE BRIDGE
“Lookouts below” or “Clear the bridge”
This normally precedes an order to dive.

More Phraseology

Battle Stations: Gun Action
Torpedo: Battle Stations
Torpedo: Gyro Regulators
Torpedo: Talkers and Emergency Firing
Cruising Submerged
Cruising Surfaced
Diving (I)
Diving (II)
Emergency Messages
Engine and Battery Combinations
Getting Underway
Posting Lookouts
Reports by Lookouts
Radar