Signalman 1 & C - Historic Naval Ships Association

EXECUTIVE METHODThe executive method is used when it is desired toexecute a tactical message at a given instant; that is,to ensure that two or more units take action at the samemoment. An abbreviated plaindress format isnormally used for transmitting messages by theexecutive method. When conditions are good, it isnecessary to have all stations called acknowledgereceipt of tactical message. In these circumstances,only those call signs preceding the proword OVERreceipt for the message. Messages sent by theexecutive method are never to have a time groupincluded in the message ending. There are twoexecutive methods:DelayedImmediateDelayed Executive MethodA tactical message sent by the delayed executivemethod will carry the warning proword EXECUTETO FOLLOW in the message instructions,immediately preceding the text. The executive signalwill be sent later in the form STANDBY—EXECUTE, the latter word being the instant ofexecution. The text of the message being executedmust be repeated prior to the transmission of theproword EXECUTE when:1. It is a portion of, or one of, several outstandingsignals; or2. A considerable time has elapsed between thetransmission of an EXECUTE TO FOLLOW messageand the transmission of the executive signal.Example:M15B transmits:Six Charlie—THIS IS Five Bravo—EXECUTETO FOLLOW—Corpen Mike One OneTwo—OVERAll stations respond in alphabetical order to full callsigns:Six Two—ROGER—OUTNine Eight—ROGER—OUTThree Four—ROGER—OUTAfter a considerable period of time has elapsed M15Btransmits:Six Charlie—THIS IS Five Bravo—Corpen MikeOne One Two— Standby—EXECUTE—ThreeFour—OVERThree Four responds:Three Four—ROGER—OUTImmediate Executive MethodIn cases of urgency, the executive signal may betransmitted in the final instruction element of themessage. This type of message does not allow stationsto obtain verifications, repetitions, acknowledgements,or cancellations before the message isexecuted. Messages made by the immediate executivemethod should be in plain language, or should belimited to basic TURN, SPEED, and CORPENsignals.The warning proword is IMMEDIATEEXECUTE. The text is sent twice, separated by theproword I SAY AGAIN. The executive signal is sentin the final instructions.Example:M15B transmits:Six Charlie—THIS IS Five Bravo—IMMEDIATEEXECUTE—BREAK—Turn Port—Tack-SpeedOne Four—I SAY AGAIN—Turn Port—Tack—Speed One Four—Stand by—EXECUTE—NineEight—Three Four—OVERB198 and D234 transmit:Nine Eight—ROGER—OUTThree four—ROGER—OUTBEADWINDOWBeadwindow is a simple, rapid procedure for use bycircuit operators to police the security of insecure voicenetworks. It brings to the immediate attention ofoperators the fact that an Essential Element of FriendlyInformation (EEFI) has been disclosed on the circuit.Additionally, the beadwindow report serves to alert otheroperators on the net of the EEFI disclosure and thus actsas an educational aid, producing increased securityawareness among operators and an overalI improvementin the security of insecure voice radio.The beadwindow procedure uses a code word(beadwindow) and a number combination, which are4-22