The first F-16s are likely to arrive in Ukraine in the summer. The fighter jets are expected to defend Kharkiv from Russian strikes, according to The Guardian. The news agency quoted the commander of the Dutch Air Force, General Arnoud Stallmann, who expects the first F-16 fighters to take to the skies over Ukraine this summer. “Around this summertime, it is all lining up,” he says. According to The Guardian, the Netherlands has launched a program to train Ukrainian instructors in aircraft maintenance. The general notes that it is important to train not only pilots but also engineers who will …