Principles of Fire Support Flashcards
What are the 4 types of assets for fire support?
Mortars, Artillery, Naval Surface Fire Support, and Aviation assets.
How many tubes in a 60mm section?
3
How many total Marines are in a 60s section?
10 (3 Marines/tube + 1 Section Leader)
What is the ECR of a 60mm mortar?
30 meters
What is the minimum range for a 60mm mortar?
70 meters
What is the maximum effective range for a 60mm mortar?
3500 meters
What is the rate of fire for a 60mm mortar (maximum and sustained)?
Maximum - 30 rds/min
Sustained - 20 rds/min
What are the ammo types for 60mm mortars?
HE, WP, Illum, IR Illum
What is the distance and duration of the illum for 60mm mortars?
600m (300m in each direction) and 45 seconds
What are the 3 types of fuzes for the 60mm mortar?
Point Detonating (PD) or Quick (Q), Delay (D), Proximity (Prox) / Near Surface Burst
How many 81mm mortars platoons are there per Battalion?
1
How many 81mm mortar tubes per platoon?
8 (4 tubes/section; 2 sections)
How many Marines per tube?
6
How many Marines in a 81mm mortars platoon?
69
What is the ECR of 81mm mortars?
35 meters
What is the minimum range of 81mm mortars?
83 meters
What is the maximum effective range of 81mm mortars?
5700 meters
What is the Rate of Fire for 81mm mortars (maximum and sustained)?
Maximum - 30 rds/min
Sustained - 15 rds/min
What are the different types of ammo for 81mm mortars?
RP, WP, Illum, IR Illum, HE
What is the distance and duration of the illum for 80mm mortars?
1000 meters and 60 seconds
What are the 5 mortars capabilities?
- High volume of fire
- Highly responsive asset
- Light, mobile, and flexible
- Fires from and into defilade
- CO’s “hip pocket artillery”
What are the 3 limitations of mortars?
- Long time of flight
- Ammunition consumption
- Multiple and frequent displacement
What are the HE shell/fuze combos?
- PD/Q
- Delay
- Proximity/NSB
- Time
What are the WP/RP shell/fuze combos?
- PD/Q
- Time
What are the illum/IR illum shell/fuze combos?
- Time
What are the considerations of HE/PD?
- Blast and fragmentation
- Used for personnel and light-skinned vehicles
What are the considerations for HE/Prox/NSB?
- Blast and fragmentation
- Personnel in open
What are the considerations for HE/Delay?
- Blast, heat, and fragmentation
- Penetrates hard targets (bunkers)
- Personnel with overhead cover
- Desire to reduce shrapnel in battlefield (friendly troops in maneuver)
What are the considerations for WP/RP / PD/Q/Time?
- Marking (day/night)
- Incendiary (POL sites)
- Screening or obsuring