A new police firearms range and training centre has opened up at Crabbe.
The new facility has been paid for with money confiscated from criminals.
States of Jersey Police say it is a 'major investment in the island's safety, resilience and policing capability'.
Armed officers have been deployed 175 times in the past five years, but no shots have ever been fired.
DCI Chris Beechey, Director of Intelligence and CI Operational Support, says they must always be ready.
"When a threat does arise, it is vital that we are fully trained and prepared to respond to any situation, at any time, to protect islanders.
"Whilst Jersey is a very safe place and armed deployments are infrequent, it is nevertheless essential that officers maintain operational competence to respond at the highest level when called upon."
Previously, officers would have to go to the UK for training, but now they can now train and qualify locally to national standards.
The complex includes a purpose-built 'skills house', designed to replicate internal building layouts to give officers a safe and realistic environment to train in scenarios such as building searches, armed arrests, and close-quarters tactics.
The range supports qualification on both high velocity (carbine/rifle) and low velocity (pistol) weapons and includes a 50m linear range suitable for live-fire exercises and tactical vehicle drills.
Islanders who enjoy shooting for sport and are part of an approved club can also use the facility, as well as international competitors.
Sergeant Chris Thomas, Chief Firearms Instructor, says the addition of the skills house is a huge step forward.
"It gives us a safe, realistic environment to train for the kinds of situations we hope we’ll never face but must always be prepared for.
"It’s also fantastic that the range will be available to approved firearms club users and potentially to other police services, giving the opportunity to constantly build knowledge and experience."
Jersey Police says all authorised firearms officers must undergo annual reassessment to remain operationally certified.
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