Comms And Combat Systems

Question 1

Joint Message Center (JMC)

Answer 1

Receive, process and transmit message traffic. Consists of radio, ADP and IA

Question 2

Message precedence: Routine(R)

Answer 2

6 hours, used for all types of message traffic, not of sufficient urgency to require higher precedence.

Question 3

Message precedence: Priority(P)

Answer 3

3 hours, used for message traffic requiring expeditious action.

Question 4

Message Precedence: Immediate(O)

Answer 4

30 minutes, reserve for messages relating to situations gravely affecting national security. Requires immediate delivery.

Question 5

Message Precedence: Flash(Z)

Answer 5

ASAP, no more than 10 minutes. Reserved for initial enemy contact reports or operational combat messages of extreme urgency.

Question 6

Classifications: 4 types and colors

Answer 6

Unclassified (Green)

Confidential (Blue)- damage or embarrassment

Secret (Red)- serious damage

Top secret (Orange)- exceptionally grave damage

Question 7

Technical control

Answer 7

Manage, monitor and troubleshoot radios and COMSEC material; ensure proper bandwidth to the LANs.

Question 8

5 frequencies on Essex

Answer 8

HF- high frequency
VHF- very high frequency
UHF- ultra high frequency
SHF- super high frequency
EHF- extremely high frequency

Question 9

HF- HIGH FREQUENCY

Answer 9

3-30 mghz- long haul comms

Question 10

VHF- VERY HIGH FREQUENCY

Answer 10

30-300 mghz- SINCGARS

Question 11

UHF- ULTRA HIGH FREQUENCY

Answer 11

300mghz-3 ghz, line of sight comms to 30NM/ SATCOM happens on this bandwidth

Question 12

SHF- SUPER HIGH FREQUENCY

Answer 12

3-30ghz, IP services

Question 13

EHF- EXTREMELY HIGH FREQUENCY

Answer 13

30-300ghz, anti jamming/survivable comms

Question 14

HF Antennas

Answer 14

Twin-Fan wire: AS-3871
Twin Whip: AS-3773
Tilt Whip: AS-2537

Question 15

VHF Antennas

Answer 15

Stovepipe: AS-4366A
Baseball Bat: AS-2809

Question 16

UHF Antennas

Answer 16

Line Of Sight
SATCOM
Plated Pair: AS-1735

Question 17

What is NMT? What does it do? What two frequencies is it used on?

Answer 17

Navy Multiband Terminal, primary DoD bandwidth, used for voice and data circuits, used on SHF and EHF

Question 18

3 Types of COMSEC incidents?

Answer 18

Personnel- suspected of espionage
Physical- losing COMSEC
Cryptographic- use of keying material that is compromised, superseded, defective or previously used and not meant for reuse.

Question 19

What is PDS?

Answer 19

Practice Dangerous to Security.

Question 20

What does Automated Data Processing (ADP) do?

Answer 20

Responds to user errors, receives job user requests, maintains trouble call log, troubleshoots and repairs workstation hardware and software related issues.

Question 21

Routers- ADNS

Answer 21

Connect to WANs (WIDE AREA NETWORKS). Uses Logical IP addresses to route between separate networks. Automated Digital Network Systems acts as a gateway for our network.

Question 22

Switches- MAC addresses

Answer 22

Connect to LANs (Local Area Networks). Uses physical Media Access Control addresses to forward frames to proper connected devices.

Question 23

Local Area Network abbreviation and name of our local ship network (CANES)

Answer 23

LAN and Consolidated Afloat Network Enterprise Systems (CANES)

Question 24

Define River City and how many levels there are?

Answer 24

OPSEC tool that controls outgoing comm paths from the ships systems for the purpose of OPSEC and force protection. 4 levels to RIVER CITY- Level one is most restricted.

Question 25

Information Assurance (IA)

Answer 25

Prevent, detect, track, report and remediate malicious computer related activities and incidents on all DoD networks and information systems.

Question 26

Max range of .50 Cal

Answer 26

2000 yards

Question 27

Max range of 25mm and where can they be operated from

Answer 27

2700 yards- locally at the mount or from CIC

Question 28

Max load out of CIWS

Answer 28

1550 rounds

Question 29

What type of rounds are used by the CIWS

Answer 29

Mk244, 20mm tungsten rounds

Question 30

What does MK31 RAM mean and it’s maximum load out

Answer 30

Rolling Airframe Missile- 21 missiles

Question 31

What is the most effective range of NATO and what guidance does the ESSM utilize?

Answer 31

9-13 NM Semi Active

Question 32

5 sections of a missile (R, GS, W, CS, RM

Answer 32

Radome Guidance Section Warhead Control Section Rocket Motor

Question 33

What does SSDS mean?

Answer 33

Ships Self Defense System

Question 34

What is MK36 DLS?

Answer 34

Decoy Launching System aka CHAFF

Question 35

What is SPS49 used for and it’s max range

Answer 35

Primary air search RADAR 256 NM

Question 36

What is SPS48G used for and its max range?

Answer 36

Secondary air search 220 NM

Question 37

What is the difference between SPS48 and SPS49?

Answer 37

3D vs 2D

Question 38

What is SPS67 used for and its max range?

Answer 38

Primary surface search, secondary navigation, 100 NM

Question 39

Where are the two SPS73s located?

Answer 39

FWD above the 48G AFT next to 49

Question 40

Name all 4 sensors for Flight Ops 35, 41, 43, 32

Answer 40

SPN-35 SPN-41 SPN-43 URN-32 (TACAN)

Question 41

What is URN-32 (TACAN)

Answer 41

Tactical Air Navigation

Question 42

What does TACAN provide and its range?

Answer 42

Ships homing beacon for aircraft 300 NM

Question 43

Define RADAR

Answer 43

Radio Detaction And Ranging

Question 44

What are the three areas that utilize Naval Gun Systems? (A.S.S. Warfare)

Answer 44

Air Warfare, Surface Warfare, Strike Warfare

Question 45

Tomahawk missile

Answer 45

Land Attack Cruise Missile

Question 46

Torpedo

Answer 46

Anti ship, anti sub

Question 47

What does CSOOW stand for and their responsibilities?

Answer 47

COMBAT SYSTEMS OFFICER OF THE WATCH- coordinator of all technical activities including casualty control via area supervisors. Works with CSRO to provide TAO with maximum available resources in all mission areas. Single point of contact be Combat Systems and Engineering.

Question 48

What does a yellow band on a missile indicate?

Answer 48

Live Warhead

Question 49

What equipment/watch stander is used to identify a target? (4 items)

Answer 49

•IFF •SLQ-32 •lookouts •CAP (Combat Air Patrol)

Question 50

What is HERO?

Answer 50

Hazardous Electromagnetic Radiation to Ordinance.

Question 51

What is the purpose of the pitsword and its length?

Answer 51

Used to tell our “actual” speed and relays info to the DUMMY LOG. Pitsword is 6 feet long (72 inches).

Question 52

Where is the main IC switchboard located?

Answer 52

AFT IC

Question 53

What is the 1MC used for?

Answer 53

General Announcing

Question 54

What is the 3MC used for?

Answer 54

Hangar Bay Announcing