The term "signal flare" is commonly used in the military and emergency services to refer to a type of visual signaling device. However, there are several synonyms that can be used to describe this type of equipment. These include signal rocket, flare, distress signal, emergency flare, and pyrotechnic signal. These synonyms are all used to describe a device that emits a bright, colorful light to attract attention from a distance. Whether used to signal for help in an emergency or to communicate with other members of a team in the field, these devices play a vital role in many situations.