CALL FOR AND ADJUST INDIRECT FIRE

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CALL FOR AND ADJUST INDIRECT FIRE
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LESSON OBJECTIVES
SAFETY NO MAJOR CONSIDERATIONS
ENVIRONMENTAL NO MAJOR CONSIDERATIONS
RISK ASSESSMENT LOW
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GUNNERY TEAM

• Forward Observer (FO)
• Fire Direction Center (FDC)
• Guns (Unit Size)

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CALL FOR FIRE ELEMENTS

• 1. Observer Identification
• 2. Warning Order
• 3. Target Location
• 4. Target Description
• 5. Method Of Engagement (Optional)
• 6. Method Of Fire And Control (Optional)

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RADIO TRANSMISSIONS
Observer ID Warning Order
Target Location
Target Description
METHOD OF ENGAGEMENT
METHOD OF FIRE AND CONTROL
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METHOD OF TARGET LOCATION
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GRID COORDINATE
MAP READING - MAY INCLUDE 100K ID
6 DIGIT GRID - Accuracy 100 Meters 8 DIGIT GRID
- Accuracy 10 Meters (Precision Missions)
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POLAR PLOT
Observers Location - Must be Known by FDC
OT Direction (10 MILS) (Grid Mils, Degrees,
Cardinal) Distance to Target (100
METERS) Vertical Shift - (5 METERS) 35
Meters or more
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SHIFT FROM A KNOWN POINT

• A target that has been fired on
• A prominent terrain feature
• A man-made structure
• Any prominent feature whose
• location is known to the FDC

• MUST DETERMINE
• OT Direction (10 Mils)
• Lateral Shift (10 Meters)
• Range Change (100 Meters)
• Vertical Shift (5 Meters)
• (If 35 Meters or greater)

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TARGET DESCRIPTION

• What is the target ?
• What is the target doing ?
• Number of elements in the target
• Degree of protection
• Target size and shape

VERY IMPORTANT FOR CHOOSING THE BEST SHELL/FUZE
COMBINATION
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DANGER CLOSE

• MORTARS - 600 METERS

• ARTILLERY - 600 METERS

• 5 NAVAL GUNFIRE -750 Meters

• HISTORY
• 16 NAVAL GUNFIRE (CONVENTIONAL) -1000 Meters
• 16 NAVAL GUNFIRE (ICM AND CVT) - 2000 Meters

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POLAR MISSION
FO
FDC
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HOW TO ADJUST FIRES
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OT FACTOR
OT RANGE
OT FACTOR
/ 1000
2,700
3
2.7
4
4.4
4,400
4
3,500
3.5
800
.8
.8

• Applied to Deviation - Converts (Mils to
  Meters)

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RETICLE
PATTERN
x 10
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Apply OT Factor to Deviation Spotting
_at_ 2,400m
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(No Transcript)
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Apply OT Factor to Deviation Spotting
_at_ 3500 m
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Apply OT Factor to Deviation Spotting
_at_ 700 m
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RANGE CORRECTIONS ADJUSTMENT TECHNIQUES

• SUCCESSIVE BRACKET

• HASTY BRACKET

• ONE-ROUND ADJUSTMENT

• CREEPING FIRE

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SUMMARY

• Gunnery Team
• Call For Fires
• Observer Identification
• Warning Order
• Target Location ... Grid - Polar - Shift from a
  Kn Pt
• Target Description
• Method Of Engagement
• Method Of Fire And Control
• Radio Transmissions
• Artillery Expressions
• Message to Observer (MTO)
• Observer-Target Factor (OT)
• Adjusting Fires
• End of Missions