This is a list of terminology used by the Strategic Response Unit.
- Scorpio: Authorisation to use deadly force/to shoot.
- No Joy: Nothing/Not there/Unsuccessful.
- Twenty: Abbreviation of 10-20, police code for location/situation.[1]
- Sierra One/Two: The code for the individual snipers.
- Escalate/De-escalate: The situation is more tense/hostile or less tense/calm. Usually when the subject is escalating, it means he/she is getting ready to kill.
- I have the Solution: The target accurately acquired. "Have the solution" is more commonly used. This can be mentioned by a sniper or any of the team holding a weapon.
- Stealth approach: Approach silently and cautiously so as not the let people escalate.
- Stay frosty: distress code//help amber. Used in Episode:Day Game by Greg to [[Ed Lane]|Ed]].
- No harm: used in the show when an explosion goes off or gunfire is heard and it is unclear the status of one or more members of the team. It means exactly what it says, there are no injuries.
- Threat Level: There are various threat levels meaning the incident or subjects. Threat Level One according to Jules in Lawmen is the lowest level. Former Sergeant Daniel Rangford told Troy to consider him 'Threat Level Red' in Haunting the Barn indicating the highest threat level, ie extremely dangerous.