SMART BOMBS: PRECISION GUIDED AMMUNITION
#1

Presented by:
Avinash chauhan

[attachment=12378]
WHAT IS SMART BOMB…?
 Highly accurate bomb,
 equipped with Laser seeking guidance unit, computer and control fins;
 Guided to its target by means of laser, infra- red or electro-optical system.
SMART BOMBS BASICS…
 An electronic sensor system
 A built in control system
( onboard computer )
 A set of adjustable flight fins
 A battery
HISTORY OF SMART BOMBS
 WWI:
Kettering Aerial Torpedo- a small propeller driven aircraft.
 1924:
Pilotless airplanes (guided by radio control)
 WWII:
Germany develops 1st guided missile used in combat (V-1 & V-2)
 AMERICA’S SECRET GUIDED WEAPONS
 A standard bomb fitted with steering controls
 GB-4: A TV camera to assist the controller with targeting
 B-17: remote controlled weapon
PRECISION GUIDED AMMUNITION
TV/IR- Guided Weapons
1. Laser Guided Weapons
2. Joint Direct Attack Munition
3. Electro-optical Guided Weapons
4. Satellite- Guided Weapons
1) TV/IR- GUIDED BOMB
 Conventional Television video camera
 Infra red camera for night vision
Two Modes Of Operation:
1. Remote- Operation Mode
2. Automatic Mode
2. LASER GUIDED BOMB
 Most common and wide-spread PGM’s
 Use A Laser Designator :
to mark or illuminate a target
 Strikes with greater accuracy than free-fall bombs
 Generally unpowered
LIMITATIONS OF LGB’S
 Designation
 Vulnerable to Environmental Conditions
 Accurate attack against a small target
 A separate designator
 Limited weapon basket
 Problem of picking up wrong targets
3) JOINT DIRECT ATTACK AMMUNITION
Why JOINT…?

 Meant to improve upon LGB’s and Infra-red technology
 JDAM is a Guidance kit that converts unguided bombs into all-weather
“Smart Ammunition”
 Uses Global Positioning System (GPS)
ADVANTAGES OF USING GPS:
 A real all-weather capability
 Expanded Launch Acceptance Region (LAR)
 A true “ fire-and-forget” capability
 Ability to completely tailor a flight trajectory
 Accurate time source common to all systems
LIMITATIONS OF JDAM BOMBS
 Not full-proof
 If GPS guided weapon loses touch with the guiding satellite signals, it falls back on inertial navigation and calculates its position in relation to its last fixed position.
 In such a situation the inaccuracy of JDAM rises to about 30 meters.
 Since GPS-guided weapons aim at preprogrammed coordinates of the target. Coordinates of the target have to be precisely known.
CONCLUSION
Smart weapons have made bombing truly strategic. No longer a country needs to send hundreds of bombers to destroy one target.
As technology continues to advance, the face of warfare will continue to change.
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