A major NATO exercise involving airborne troops went into its main phase in Romania on Monday with paratroopers dropped to the south of the city of Cluj-Napoca. In the exercise, the troops are tasked with liberating the military airfield at Câmpia Turzii, which has been seized by hostile forces. Around 1,500 troops were to land around the airfield. The “Swift Response” exercise is part of a series of manoeuvres under the name “Steadfast Defender” launched by NATO in reaction to the changed security situation in Europe resulting from Russia’s full-scale invasion of Ukraine more than two years a…