Potential new variant could build on the export-oriented Block 70/72 as USAF studies ways to increase fighter capacity, report says

L3Harris Viper Shield will equip 12 Block 70 fighters ordered after a lengthy competition to replace the South American country’s aging Soviet-era aircraft

Local media report preference for US offer, but no official decision has been announced

Bulgaria ordered a total of 8 F-16 aircraft, while Slovakia placed an order for 14 units of the same model

Deal includes up to 12 aircraft Block 70 supplied by Lockheed Martin, missiles and support systems worth $3.42 billion

Combat aircraft received at Graf Ignatievo Air Base by Prime Minister Rosen Zhelyazkov. Country orders 16 jets from Lockheed Martin

Potential acquisition estimated at US$5.58 billion still needs to be approved by Congress

Ceremony was held at Lockheed Martin's facility in Greenville, South Carolina. Country has ordered 66 combat aircraft

The ceremony in Greenville, South Carolina, was symbolic since the new Lockheed Martin fighter will only arrive in the European country in April

Lockheed Martin Performed First Sortie on October 22. Country Becomes Second in Europe to Receive Fighter, Ordering 16 Aircraft