Radio

Question 1

What do the green and red lights on the red phone indicate?

Answer 1

(Cipher) Green is secured/encrypted

(Plain) Red is unsecured/unencrypted

Question 2

What is Momsen’s voice call sign and when is it used?

Answer 2

Lucky Swede, when talking on an insecure net

Question 3

What does TPI stand for?

Answer 3

Two Person Integrity

Question 4

What is TPI (Two Person Integrity)

Answer 4

A system set in place that makes sure not one person has access to encrypted material

Question 5

What does KMI stand for?

Answer 5

Key Management Infrastructure

Question 6

What does the EKMS-1E provide us with?

Answer 6

The minimum policies for handling, safeguarding, issuing, and disposal of COMSEC

Question 7

What are 4 ways to dispose classified material?

Answer 7

1. Shredding
2. Mulching (pulping)
3. Burning
4. Chemical Disintegration

Question 8

What are the 3 categories of emergency destruction?

Answer 8

1. Keying material
2. COMSEC Documents
3. COMSEC Equipment

Question 9

What is compromise?

Answer 9

A disclosure of data or information to unauthorized personnel

Question 10

What is a COMSEC incident?

Answer 10

Any uninvestigated or unevaluated occurrence that has the potential to jeopardize the security of COMSEC material

Question 11

What are the 4 classifications?

Answer 11

1. Top Secret
2. Secret
3. Confidential
4. Unclassified

Question 12

What are the 5 precedences of messages?

Answer 12

1. Critic
2. Flash
3. Immediate
4. Priority
5. Routine

Question 13

How much time do we have to process each message?

Answer 13

Critic - 3 minutes
Flash - 10 minutes
Immediate -  30 minutes
Priority - 3 hours
Routine - 6 hours

Question 14

What is minimize?

Answer 14

A condition imposed to reduce message traffic

Question 15

Who decides when and how to minimize?

Answer 15

TYCOM (Local)

Joint Chiefs of Staff (Global)

Question 16

Whose permission do we need to send out message traffic during minimize?

Answer 16

CO

Question 17

What is EEFI?

Answer 17

Essential
Elements of
Friendly
Information

Question 18

When you hear Beadwindow on an unsecured circuit, what does it mean?

Answer 18

Brings attention to all operators that (EEFI) has been spilled

Question 19

When you have been given Beadwindow what is your only response?

Answer 19

“Roger out”

Question 20

What are the 7 types of EEFI?

Answer 20

1. Position
2. Capabilities
3. Operations
4. EW
5. Personnel
6. COMSEC
7. Inappropriate transmissions

Question 21

What is Gingerbread?

Answer 21

Code word for a suspected intruder on the circuit

Question 22

What is the frequency spectrum used by the Navy for comms?

Answer 22

VLF > 3-30kHz
LF > 30-300kHz
MF > 300kHz-3Mhz
HF > 3-30Mhz
VHF > 30-300Mhz
UHF > 300Mhz-3Ghz
SHF > 3-30Ghz
EHF > 30-300Ghz

“Very Loud Music Has Very Unusual Side Effects”

Question 23

What is the associated equipment for the following frequency ranges?

MF
HF
VHF
UHF
SHF
EHF

Answer 23

MF - HFRG (High Frequency Radio Group)
HF - HFRG “ “
VHF - Sincgars
UHF - SRC-58 LOS | Mini DAMA/MD-1324 SATCOM
SHF - ‘NMT’- WSC-9
EHF - ‘NMT’- “ “

Question 24

What are the capabilities of the following frequencies?

VHF
HF
UHF
SHF
EHF

Answer 24

VHF - LOS voice communications. Portable Comms
HF - Over-The-Horizon or Beyond LOS, Voice Comms up to 2000nm
UHF - LOS and satellite communications. Anti-jam in have-quick mode
SHF - Satellite comms
EHF - Satellite comms, anti-jam, anti-detect, nuclear survivable

Question 25

How many HF transmitters do we have?

Answer 25

(9 total) 8- Broadband 1- Narrowband (Link 11)

Question 26

How many HF receivers do we have?

Answer 26

(18 total) 17- Broadband 1- Narrowband (Link 11) Receiver has 9 letters x2

Question 27

How many HF antennas do we have?

Answer 27

``` (5 total) 1 - Fan wires = Transmit only (Upper yardarm to O-5) 1 - Twin whip = Transmit only (Mid ships platform) 1- Narrowband whip = Transmit/receive (Mid ships opposite of twin whips) 1- Aft whip = Receive only (Aft VLS next to sight TV) 1- Mast clamp= Receive only ```

Question 28

How many RT-1747 Transceivers do we have & what are they used for?

Answer 28

``` (22 total) 16- UHF LOS 2- VHF LOS 2- HAVE QUICK (HQ) 2- UHF SATCOM ```

Question 29

Where are the two UHF LOS antennas located?

Answer 29

Upper yard arm outside edges (Stove Pipes) | 3-1/3-5

Question 30

Where are the two (AS-1735) HAVEQUICK antennas located?

Answer 30

Lower yard arm outside the edges (Tie Fighters) (3-3/3-4) Tie Fighters are QUICK

Question 31

Where are the VHF (AS-2809) antennas located?

Answer 31

(2) Lower port/upper stbd yardarms 4ft Dipoles | (1) Sincgars lower port yardarm

Question 32

What antenna group do we use for UHF SATCOM?

Answer 32

OE-82C Trashcans (3-10A)

Question 33

What antennas are used for fleet broadcast?

Answer 33

AS-2815 / Eggbeaters (4) (1-1A)

Question 34

What are the 3 ways Momsen receives message traffic while underway?

Answer 34

1. C2OIX - IP only 2. CUDIXS - UHF SATCOM, Top Secret Traffic 3. Broadcast - Receive only

Question 35

What does CUDIXS stand for?

Answer 35

CUDIXS ``` Common User Digital Information Exchange System ```

Question 36

What does DAMA stand for?

Answer 36

Demand Assigned Multiple Access

Question 37

What is the frequency for international distress (IAD)?

Answer 37

121.5 Mhz 121 countries calling for help

Question 38

What is the frequency for military air distress (MAD)?

Answer 38

243 MHz 243 is a large number for an army

Question 39

How many SHF antennas does Momsen have & where are they located?

Answer 39

2, on the O-5 level / dark grey ones (FWD STBD/AFT PORT)

Question 40

How many EHF antennas does Momsen have & where are they located?

Answer 40

2, on the O-5 level / light grey ones (FWD PORT/AFT STBD)

Question 41

What does POTS stand for and what frequency does it use?

Answer 41

Plain Old Telephone System, SHF

Question 42

What applications does NIAPS provide?

Answer 42

SKED, eSOMS, Web-ATIS

Question 43

What applications does NTCSS provide?

Answer 43

RADM, RSUPPLY, OMMS-NG

Question 44

How many datacenter does NIPR and SIPR have? What are their locations?

Answer 44

NIPR - 1 Radio | SIPR - 2 Sonar and SNAP

Question 45

Why does SIPR have one more datacenter?

Answer 45

For redundancy

Question 46

What is CENTRIXS (Secret Releasable)?

Answer 46

Three separate enclaves that provide chat and translator services with Korea, Japan. and CMFP