(Reuters) - The United States has offered to sell Slovakia 12 new Bell AH-1Z Viper helicopters at a two-thirds discount after Bratislava sent its retired MiG-29 fighter jets to Ukraine, Defence Minister Jaroslav Nad said on Wednesday.
Nad said his government still had to approve the deal under which it would pay $340 million over three to four years for a package worth more than $1 billion.
