Program started in 2009 upgraded seven McDonnell Douglas A-4 Skyhawk aircraft that received new systems and armaments

The modernization program is being conducted by Embraer and should be completed with seven fighter jets changed to the AF-1M standard

In an internal event, the force commander said he intends to terminate the A-4 Skyhawk jet modernization program in exchange for supersonic fighter jet

Derived from the Lockheed Martin F-16, aircraft has supersonic capability and would assume the country's air defense