Unconventional warfare
Unconventional warfare is
warfare in a manner differing from that of
conventional warfare; in many cases, such unconventional means have been deemed warcrimes. Unconventional warfare involves
biological weapons,
chemical weapons,
espionage,
genocide,
nuclear weapons,
special forces, and
terrorism. Prior to
World War I, the use of
military aircraft was often seen as unconventional, and criminal.
See also: asymmetric warfare, low-intensity operations