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Javelin Anti-Tank Close Combat Missile System Engineering Manual


Quiz Questions

1. The Javelin surface-attack guided missile and launcher is
A fire-and-forget, man- portable medium close combat missile system consisting of a Command Launch Unit (CLU) and a round.
A laser guided missile
A cruise missile
2. A Javelin missile system can be used:
Only during the day
Only at night
During the day, at night, and during limited visibility conditions.
3.

The Javelin missile consists of:

  1. A CLU (Command Launch Unit) and a round
  2. A round is consisting of the missile, launch tube assembly and a battery coolant.
  3. The CLU house a day-sight and night vision and control system
True
False
4. The BST (Basic Skills Test) is an indoor training device so the soldiers can practice in a video game simulated environment to launch the unit. The BST unit consists of a desk top computer, a monitor, a keyboard, a mouse and an interconnect cable connecting the computer to the CLU (Command Launch Unit)
True
False
5. Field Tactical Trainer (FIT) is:
A field exercise with real ammunition and missiles.
The FTT is an outdoor force-on-force trainer used in conjunction with a tactical CLU (Command Launch Unit) and a simulated round. The FTT consists of an instructor station, which is used to monitor the student.
6. The MSR ( Missile Simulation Round) is a field handling round with a ______________ . It replicates the weight and balance of the actual round. The FTT contains no instruments or circuitry and is used to train gunners on how to maintain, handle, and carry the round.
Real launch tube
Simulated launch tube
7. According to Table 1-1, "Javelin Capabilities and features" the missile has a maximum effective range of :
2000 meters
1000 meters
1500 meters
8. According to the Table 1-3 "Physical Characteristic of the round." The complete weight of the Javelin round including BCU battery is approximately:
35 pounds
45 pounds
25 pounds
9. According to Figure 1-5. "Javelin back safety zone", the primary danger zone in the Javelin backblast zone is approximately _______ behind the AFT end of the LTA ( Launch Tube Assembly)
35 meters
25 meters
100 meters
10. The CLU (Command lunch Unit) figure 1-6 is the only unit that is :
Reusable
Can only been used once and then discarded.
11. The BCU "Battery Cooling Init" (Figure 1-19) consists of a battery section and a compressed-gas coolant section. Before missile launch, the battery section powers the missile electronics, and the coolant section cools the missile seeker to its operating temperature. The BCU is a single-use unit with 4 minutes of operating time; it is not rechargeable. Once the missile has been fired, the spent BCU is discarded with the LTA.
True
False
12.

In figure 1-20 Javelin missile consist of:

  • Guidance section
  • The mid-body section
  • The warhead
  • The propulsion section
  • The control actuator section.
True
False
13. The purpose of the guidance section is
To provide target tracking
To provide control signals
All of the above
14. The guidance section also includes the seeker head and the guidance electronics unit.
True
False
15. The gunner uses the crosshairs (Figure 2-15) to designate the center of mass, which the seeker locks on. The crosshairs first appear and are flashing when the gunner squeezes and holds the seeker trigger. After the seeker locks on the target, the track gates and crosshairs become solid.
Introduction to Javelin Anti-Tank Close Combat Missile System Engineering 5
True
False
16. The seeker head section, known as the seeker, contains
the missile I2R (imaging infrared) system
and the contact switches used to detonate the warhead.
All of the above
17. The missile I2R (imaging infrared) system gives the missile its fire-and-forget capability. During flight to the target, the missile I2R (imaging infrared) system tracks the target and sends target location information to the onboard guidance electronics unit.
True
False
18. The purpose of the guidance electronics unit is:
To control the seeker head so that it "looks" at the target
It sends signals to the control actuator section to guide the missile to the target during the flight.
All of the above
19. The ESAF (Electronic Safe, Arm, and Fire) is the principal safety device that prevents accidental ignition of the motors and accidental warhead detonation. The ESAF consists of circuits and two detonators (one for the precursor and one for the main charge). The ESAF controls missile launch sequence and warhead detonation. It permits starting the rocket motors in the proper sequence when the gunner pulls the fire trigger and all other firing conditions have been met. When the missile hits the target, the ESAF detonates each warhead charge in sequence.
True
False
20. The precursor charge is a high-explosive (HE) shaped charge. Its purpose is to cause the target’s reactive armor to detonate before the main charge reaches the armor. Once the reactive armor is penetrated, the target’s main hull is exposed to the warhead’s main charge. If the target is not equipped with reactive armor, the precursor charge provides additional explosives to penetrate the main armor.
True
False
21. The main charge is the second charge of a dual-charge warhead and is also an HE shaped charge. The primary warhead charge is designed to penetrate the target’s main armor to achieve a target kill.
True
False
22. The propulsion section (Figure 1-24) consists of
the launch and flight motors
flight motors.
23. The launch motor propels the missile out of the LTA. It provides the initial force to push the missile a safe distance from the gunner before the flight motor ignites to ensure the gunner’s safety. The launch motor is completely spent by the time the missile clears the LTA, this accounts for the low signature after launch.
True
False
24. The flight motor powers the missile to the target during flight. It ignites when the missile is a safe distance from the gunner, protecting the gunner from hot exhaust gases generated when the motor fires.
True
False
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