Mortar Employment Flashcards
Three types of Recon
Map
Air
Ground
9 factors of position selection
Mission accomplishment. Tactical situation. Range criteria. Target area coverage. Survivability. Overhead and mask clearance. Surface conditions. Communications. Routes.
Meaning of (range criteria)
Cover 1/2 to 2/3 of range in front of Convoy or troops
3 types of site occupation
Deliberate
Hasty
Emergency
Displacement techniques
Byy platoon (low risk situation) By section (2 guns ready at all times LeapFrog) By Squad
Bounding techniques
Successive (move together )
Alternate.(speed)
4 types of mortar formation
Parallel formation
Diamond formation
Lazy w
Triangle formation
Parallel formation measurement
The distance between mortar position is bursting diameter of round used
Diamond formation
Used when 6400 Mills coverage is required
81 mm mortar nomenclature
M25 A1
Gun crew
Squad leader
Gunner
assistant Gunner
Ammo Bearer
When to swab bore
Every 10 Rounds or end of fire mission
Increase deflection
Clockwise
Decrease deflection
Counterclockwise
M65 Night Lights
Battery powered
Round colors
He
Illumination
Phosphorus
He -o d green
Illumination -White
Phosphorus- light green
Parts on round
Fuse
Operation ring
Propulsion system
Tail fin
Base plate name
M3 A2
Site unit name
M67
Bipod name
M177 A1
81 mm
max range
Minimum range
5608 meters
83 meters
Elevation Mills
802 to 1511mils
How many mils per turn of elevation handwheel
10 mils
Deflection Mills
100 mils each side
200 total
Mils per turn of traversing handwheel
10
81 mm rounds per minute
sustained
maximum
15 rounds per minute
30 rounds per minute for 2 minutes
Boresight name
M45 A1
HE m821. /a1
HE M889. /a1
Range
5,608m
