Juniper Cobra 18, which is scheduled to take place March 4-15, has been in the planning stages January 2016.
The U.S. Army is requesting about $1.6 billion in upgrades to increase its range and lethality of the Patriot missile system.
The state began testing alerts before fully developing a plan to address the ballistic missile threat.
The U.S. Missile Defense Agency spent a total of $130 million on a failed missile test off of Kauai.
The SM-3 Block IIA missile failed to intercept an intermediate-range ballistic missile target in its first-ever launch.
The Department of Defense confirmed to CNN that a test had taken place, but did not mention the result.
Hawaii's emergency management leader resigned and an employee who sent a false alert falsely has been fired.
North Korea mocked the United States on Tuesday for a recent mistaken alert that sent Hawaii residents into a panic.
The astonishing error and dismal response has prompted both state and federal investigations.
Lockheed announced it received a five-year $110 million contract from the lab to build the "Gray Wolf."