The Army says the move will make munitions storage safer, but secrecy and the legacy of a wartime coverup from the past make neighbors of the project uneasy.
All public outreach will be online due to the pandemic.
Critics argue the costly system may already be obsolete and will needlessly threaten the environment and cultural sites.
The military hospital has long struggled to fill parking demands for its patients, both veterans and active duty.
While many neighbors are mounting opposition to the new proposal, the expansion has vocal support from several Native Hawaiian organizations.
Some residents ask whether campaign contributions and a job factored into Ernie Martin’s support for a controversial Pupukea project.
Statewide citizen initiatives aren’t authorized in Hawaii. But each of the four counties allow voters to place proposed laws directly on the ballot.
An energy company has proposed buying the 55,000 acre ranch, which has been idle since 2008, to farm organic biofuels.
A petition seeks to force the city to enforce land use and coastal zone management laws designed to protect marine areas from overuse.