„We will continue our efforts to ensure the prompt, determined and robust response of the North Atlantic Alliance to any possible challenge or threat”, Romanian President Klaus Iohannis has  said today, also thanking all NATO allies for their presence in Romania. The head of state has visited the Mihail Kogălniceanu Air Base 57 (southeast), together with the Romanian Prime Minister Nicolae Ciuca and the Belgian Prime Minister Alexander De Croo. NATO is the strongest and most concrete security guarantee for the member states, Nicolae Ciuca has said. The Romanian PM has also said that an effective deterrence and defense posture must be developed on the eastern flank of the Alliance. Alexander De Croo had a meeting with the head of state on Tuesday. On this occasion, Klaus Iohannis stated that, this spring, the Allied Battle Group on the territory of Romania would be „negotiated and finalized”. Iohannis A Belgian military contingent is present in Romania, deployed within the NATO Response Force, and President Klaus Iohannis thanked Prime Minister De Croo for their support.