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FIRE SUPPORT MODULE 1 EXAM 2025
QUESTIONS AND ANSWERS
Which factor dictates the amount of Illum rounds needed to light up a target area?
OT Factor: the farther away the target, the more light the FO will need to see it
Five options for Illum patterns:
1 gun, two guns, range spread, lateral spread, range+lateral spread
What kind of projectile is used to employ illum rounds?
Base-ejecting
What "immediate smoke" and when can it be used?
Hasty smoke fire mission directly on enemy position. Can be used when immediate suppression is insufficient
Difference between Screen and Obscure for Smoke missions?
Screen is closer to friendlies to protect them, Obscure is closer to enemies to obscure their sight
Optimal Wind speed for smoke missions?
4-14mph
M825 smoke munitions are a _____ build up speed and a ______duration time
Quick, short
HC Smoke has a _____ build speed and a _____ duration time
Slow, long
White phosphorus has a _____ build up speed and a ____ duration time
Quick, short
Mission (Role) of field artillery
To destroy, defeat, or disrupt the enemy with integrated fires to enable maneuver commanders to dominate in unified land operations (integrate fires at all levels to support the maneuver)
Organize AF fires assets to coordinate with Army Fire support
Battalion fire cell made up of?
CPT (FSO), 1LT (AFSO), SFC (FSNCO), SSG (EWO), SPC (RTO) + TACP
Composition of FIST (2 parts)
Fist HQ
FO Teams
FIST HQ composition
LT (FSO), SSG (FSNCO), SPC (FSSPC), SPC (RTO)
FO Team composition?
SGT (FO), SPC (RTO)
What kind of Maneuver elements have no FO team?
Armor BCT (except for Bradley Mechanized infantry) and Recon Co
How many FIST HQs and FO teams per maneuver platoon?
1 per platoon
Combined Arms Battalion organization
HHC, 2 mechanized infantry companies, 2 armor companies, 1 FIre support center
Mission (ROLE) of the FIST
Integrate fires for the supported commander
Extremely important to build up _____ with your Maneuver Co in order to build
Rapport, trust
How many FIST HQs and FO teams per maneuver platoon?
1 HQ per company and
1 FO team per platoon (ideally)
Most common communications system?
ASIP SINCGARS Radio
Pocket-sized forward entry device (PFED)
Provides digital access to AFATDS and MBC. Transmits fire missions, target data, and observer location reports digitally. New models have integral GPS systems
Laser Rangefinders
Uses laser to get direct distance (sometimes direction) to a target. Most common of Vector 21
LLDR=Lightweight Laser Designator Rangefinder
Tripod mounted laser rangefinder (19,999m) and designator (3km to 5km). Gets distance and direction
5 Most common FS nets
Maneuver company command net
Maneuver Battalion Fire Support Coordination net
Maneuver Battalion Mortar fire Direction net
FA Battalion Fire Direction Net 1,2,
Maneuver Company Fire Control Net
Fire support control vehicle setup? (option 1)
Entire FIST in a single vehicle
FS Observation vehicles setup? (Option 2)
FSO stays with Co COmmander, rest of team in FSV
FS Independent observer vehicles setup? (Option 3)
FSO and part of FIST directed out by higher to another element, rest of team in FSV. (This is the worst option)
Which FSV options are used in defense?
Observation or Independent Observer options
Observer control Option 1: Decentralized
When does FO call "Illumination mark"?
When the Illum round is providing the optimal amount of illumination on the target area
What is Coordinated illum? When is it called?
A CFF where an illumination round is fired with every volley of explosive rounds to allow the FO to spot the adjustment and FFE in the dark.
It is called after "Illumination mark"
Minimum adjustments for Illum rounds?
Range
Deviation
Height of burst
Range = 200m
Deviation = 200m
HoB = 50m
Formula for Illum round air burn-out
Distance above ground (that it burnt out) multiplied by OT factor, then expressed to nearest 50 and adjusted DOWN
Formula for Illum round ground burn-out
Time it was on the ground until it burned out multiplied by that round's rate of descent, express to nearest 50, adjust UP
Which Weapon is the only one capable of firing red phosphorus rounds?
81mm mortar
What is shell residue?
The leftover shell of a base-ejecting projectile that hits the ground after ejecting the payload
True/False: HC smoke tends to pillar (plume up into column shapes instead of spreading out}
False
