Sir, you speech is VERY enlightening. Your Aircraft Engineering knowledge, your way of description up to the point without wasting words and time remarkable. We need chaps like you in Aviation Aircraft trade. You are a great blessing to not only to Sri Lanka but to the entire World. Now am 76 years old regret over my youth 😢 not selecting me to Air Force in 1967. It's Destiny. Live long my Son. Have more babies please. ❤❤❤😢😢😢😅😅😅.