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Call for Indirect Fire
TBS Test 2
43
Other
Not Applicable
03/20/2010

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Cards

Term
What are the three parts of the fire support system
Definition
Forward Observer (eyes)
Fire Direction Center (FDC) (Brains)
Firing Unit (Muscle)
Term
what is the purpose of the Fire Support System
Definition
It enables artillery and Mortars to rapidly put rounds on Target
Term
What are the Duties of the Forward Observer
Definition
Detect and Locate Suitable targets
Call for Fire
Adjust fire
Relay the results of the Fire Mission
Term
What are the Duties of the FDC
Definition
Receive the call for fire from the FO
compute firing data
Transmit data in the form of weapons settings and fire command to the firing line
Term
Duties of the firing line
Definition
delivers rounds when and where the observer has requested
Term
What does the FO use the Map for
Definition
to determine location of targets, friendly positions, his own position, and keep oriented during movement
Term
What 2 critical elements of Target Location must be determined by FO
Definition
Direction and Distance
Term
What is the most important element of target location
Definition
direction, which is an integral part of terrain/map association and adjustment of fire.
Term
Define Mils
Definition
a mil is a unit of angular measurement that are equal to 1/6400 of a circle
Term
How do you convert degrees to mils
Definition
multiply number of degrees by 17.8 this will give you mils
Term
OT direction is expressed to the nearest what?
Definition
10 mils and always 4 digits (0010 mils)
Term
What methods can be used to determine OT direction
Definition
Scaling from a Map
or
Lensatic compass
or
meausing from known reference point
Term
OT distance is expressed to the nearest What?
Definition
100 meters
Term
What Methods can be used to determine the OT distance
Definition
Estimation
Map Study
visibility
Term
When determining OT direction from a reference point what acronym is used
Definition
RALS

right add left subtract using bino's
Term
What are the 2 methods of communicating the target location to the FDC
Definition
Polar plot
Grid coordinates
Term
Before you call in a polar mission what must you give to the FDC
Definition
POSREP
Term
How many elements and transmissions are in the call for fire
Definition
3 transmissions and 6 elements
Term
what is in the first transmission for call for fire
Definition
Observer ID
Warning order
Term
What is the second transmission for call for fire
Definition
Target Location
Term
What is the third transmission in the call for fire
Definition
Target description, method of engagement, method of fire and control
Term
What are the six parts of call for fire?
Definition
Observer ID
Warning Order
Target Location
Target Description
Method of engagement
Method of Control (Not used at TBS)
Term
What are the three types of CFF missions
Definition
Adjust Fires Fire for Effect Immediate Suppression
Term
What is the distance for Danger Close
Definition
600m
Term
What are the rounds fired by Arty?
Definition
HE
WP
Illum
ICM (little grenades)
SMOKE
Term
What are the fuses for HE using Arty?
Definition
PD/quick
Delay
VT (variable Time)
Time
Term
What are the Fuses for White Phosphorus
Definition
PD
and
Time
Term
What are the fuses for ICM, ILLUM, and SMOKE
Definition
Time is and understood Fuse
Term
What are the methods of fire and Control
Definition
TOT (time on Target)
At my command
When Ready (understood)
Term
What should the FO do when he gets the Message to observer from the FDC
Definition
Read it back verbatum
Term
What is contained in the message to observer
Definition
UNIT(S) to fire, changes to Call for fire, number of rounds, and the Target number.
Term
What is the definition of splash
Definition
it is when the round is 5 seconds from detonation
Term
What are the four possible range spottings
Definition
Over, Short, Range correct, Range Doubtful
Term
What are the 3 possible deviation Spottings
Definition
Online
Left
Right
Term
During a grid mission when would you send the Direction
Definition
Innediatly after the call for fire
While reading back the MTO
With the first correction
Term
What are 4 methods of making range corrections
Definition
Hasty bracketing
On round adjustments
Creeping Fire
Succesive Bracketing (Used at TBS)
Term
What is the rule for Successive bracketing
Definition
100 at 0-1000m
200 at 1000-2000m
400 at greater than 2000m
(1is1 2is2 4 is more)
Term
when do you fire for effect
Definition
When deviation and range are correct if effective fire will result when the range bracket is split, an adjustment round has effects on target, when splitting a 100m bracket
Term
What four items are included in the REMS statement
Definition
Refinement, Record as Target, End of Mission, Survey
Term
How many transmissions are in a call for immediate suppression
Definition
one
Term
What does the transmission for immediate suppression consist of
Definition
observer ID
Warning order (immed Supresion)
Target Location

NO MTO or REMS statement
Term
What is the minimum Deviation correction sent to the FDC during the adjustment Phase
Definition
30m
Term
Why does Arty and mortas use mils
Definition
it is easier to convert into lateral distance and is more accurate.
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