# Week 1 Lecture Notes
33 Slides

#### Definition: Weapon System
A weapon system is a collection of components (hardware or software) necessary to support the specific functionality of a weapon (or weapons).

## Detect
Detecting is a means to determine if an object is present.

#### Sensors
- Radar, IR, optics
- Passive listening devices

#### Network Information
- Data link


## Track
Regardless of how an object is detected, the combat system must revisit the object periodically to give the warfighter the best overall description of the area.

#### Willing Participants
- Is friend or foe (IFF)
- Missle communications 

#### Non-Willing Participants
- Unidentified objects
- Threats
- Low-observable (stealth) objects

## Control
Control systems tell the combat system how to fight.
- Collects and aggregates available information
- Determines appropriate course of action

Observe $\to$ orient $\to$ decide $\to$ act


#### Definition: Engage
A means to neutralize the object with a specific weapon


## Types of Weapon Systems
- Anti-Air Warfare (AAW)
	- Engage airborne threat
- Anti-Surface Warfare (ASuW)
	- Engage threat at water surface
- Anti-Submarine Warfare (ASW)
	- Engage underwater threat


## Seekers
#### Active
Transmit and receive RF

#### Semi-Active
Friend transmits signal, bounces off target, seeker receives

#### Passive
Listen only.