Wartime reserve modes (abbreviated as WARM) are

military A military, also known collectively as armed forces, is a heavily armed, highly organized force primarily intended for warfare. It is typically authorized and maintained by a sovereign state, with its members identifiable by their distinct ...

procedures held in reserve for

war War is an intense armed conflict between states, governments, societies, or paramilitary groups such as mercenaries, insurgents, and militias. It is generally characterized by extreme violence, destruction, and mortality, using regular o ...

time or emergency use. They concern the characteristics and operating procedures of sensor,

communications Communication (from la, communicare, meaning "to share" or "to be in relation with") is usually defined as the transmission of information. The term may also refer to the message communicated through such transmissions or the field of inquir ...

, navigation aids, threat recognition, weapons, and

countermeasure A countermeasure is a measure or action taken to counter or offset another one. As a general concept, it implies precision and is any technological or tactical solution or system designed to prevent an undesirable outcome in the process. The fi ...

s systems. Since the military effectiveness of these procedures links to them being unknown to or misunderstood by opposing commanders before they are used, stopping their use by making them reserved has the effect of helping to ensure they remain effective by making it difficult for them to be known about in advance by such opposing commanders. This prevents them being exploited or neutralized.US Department of Defense Dictionary of Military and Associated Terms (As Amended Through 31 August 2005) (PDF) pp. 575–6

References

See also