HONOLULU (AP) — Officials in Hawaii want to build a massive first responder training complex for state, county and federal agencies.

The facility would cost several hundred million dollars to complete. It is being proposed for a large plot of former plantation land on Oahu.

The Honolulu Star-Advertiser reports the operations and training base would be for law enforcement, fire, defense and other emergency response agencies. The proposed facility would include a hotel, a helipad, an indoor shooting range and other training centers.

Construction could take 15 years or more to complete. Nineteen agencies are participating in the planning.