What is a Loss Exchange Ratio?

Introduction Loss exchange ratio (LER) is a figure of merit in attrition warfare. It is usually relevant to a condition or state of war where one side depletes the resources of another through attrition. Specifically and most often used as a comparator in aerial combat, where it is known as a kill-ratio. For example, during… Read More


What is Attrition Warfare?

Introduction Attrition warfare is a military strategy consisting of belligerent attempts to win a war by wearing down the enemy to the point of collapse through continuous losses in personnel and materiel. The war will usually be won by the side with greater such resources. The word attrition comes from the Latin root atterere to… Read More

What is Manoeuvre Warfare?

Introduction Manoeuvre warfare is a military strategy which attempts to defeat the enemy by incapacitating their decision-making through shock and disruption. Background Methods of war have to be chosen between manoeuvre and attrition warfare. The latter focuses on achieving victory through killing or capturing the enemy; manoeuvre warfare advocates the recognition that all warfare involves… Read More

What is a Siege?

Introduction A siege is a military blockade of a city, or fortress, with the intent of conquering by attrition, or a well-prepared assault. This derives from Latin: sedere, lit. ‘to sit’. Siege warfare is a form of constant, low-intensity conflict characterised by one party holding a strong, static, defensive position. Consequently, an opportunity for negotiation… Read More