Air Chief Marshal B S Dhanoa will embark on a five-day visit to Vietnam today. The main focus of the visit is to improve bilateral relations, promoting defence ties and evolving steps to further strengthen defence cooperation between the two Air Forces. <br/>'<br/>During his tour, the Indian Air Chief is scheduled to hold bilateral meeting with top brass of the Vietnam People's Air Force and Air Defence on security challenges in the current geopolitical scenario. <br/><br/>He will also explore ways to deepen the defence cooperation further. The visiting Air Chief will also visit the Headquarters of Vietnam People's Air Force and Air Defence and a few operational air bases as well.