- Once done installing the M18A1, how far behind the mine should the wire be secured?
. . . 1 meter.
(FM 23-23 Jan 1966 / 12 / PDF 5)
- Describe the M18A1.
. . . • A curved, rectangular-shaped weapon, with an olive drab molded case of fiberglass filled polystyrene (plastic).
• In the front portion of the case is a fragmentation face containing steel spheres embedded in a plastic matrix.
• The back portion of the case behind the matrix contains a layer of explosives.
- What is the M18A1 primarily used for?
. . . It was designed for use against mass infantry attacks.
(FM 23-23 Jan 1966 / Section 2 / PDF 10)
- What is the first step in installing the M18A1?
. . . Inspect the components.
(FM 23-23 Jan 1966 / 12 / PDF 5)
- How much does the M18A1 weigh?
. . . 3.5 lbs.
(FM 23-23 Jan 1966 / Section 1 / PDF 16)
- What color is a “training” M18A1?
. . . Blue.
- How long is the wire that the M4 blasting cap is connected to?
. . . 100 ft.
(FM 23-23 Jan 1966 / Section 1 / PDF 16)
- Name the components that are in the bandoleer of the M18A1
. . . The M7 bandoleer has two pockets.
One pocket contains the mine.
The other contains:
• M40 test set.
• M57 firing device.
• M4 Electric Blasting Cap Assembly.
• Instructions.
(FM 23-23 Jan 1966 / Section 1 / PDF 17)
- Where will you find the instructions for the employment of the M18A1?
. . . Under the flap of the bandoleer.
(FM 23-23 Jan 1966 / Section 1 / PDF 17)
- What color is a “live” M18A1?
. . . Green.
- What is the effective frontal range of the M18A1?
. . . When detonated, the M18A1 mine will deliver spherical steel fragments over a 60º fan-shaped pattern that is 2 meters high and 50 meters wide at a range of 50 meters.
(FM 23-23 Jan 1966 / Section 2 / PDF 10)
- Who keeps the M57 firing device while the M18A1 is being installed?
. . . The individual installing the mine.
(FM 23-23 Jan 1966 / Section 3 / PDF 19)
- What Field Manual covers the M18A1?
. . . FM 23-23.
- What are the two sites used on the M18A1 to aim it?
. . . • Knife-edge and
• Slit-type peep-sights.
(FM 23-23 Jan 1966 / 12 / PDF 5)
- When aiming the M18A1 using the slit-type peep-sight, how far above the ground do you aim?
. . . 2 and ½ meters above the ground.
(FM 23-23 Jan 1966 / 12 / PDF 5)
- When aiming the M18A1 using the knife edge sight, how far above the ground do you aim?
. . . You aim at ground level.
(FM 23-23 Jan 1966 / 12 / PDF 5)
- What type of explosive is used in the M18A1?
. . . 1.5 lbs. composition C4 (plastic explosive).
(FM 23-23 Jan 1966 / 7 / PDF 16)
- One M40 test set is included with how may M18A1 claymores?
. . . 1 in each case of 6.
- What is the killing zone of the M18A1?
. . . About 20 to 30 meters.
(FM 23-23 Jan 1966 / 10 / PDF 18)
- How far is the danger area to the rear of the M18A1?
. . . 16 meters. (The mine firing position should be in a foxhole or covered position at least 16 meters to the rear or the side of the emplaced mine.)
(FM 23-23 Jan 1966 / 12 / PDF 5, 6)
