MAN’S PENETRATION OF THE ATMOSPHERE

MAN’S PENETRATION OF THE ATMOSPHERE 1. 1903 – Wright Brother’s first flight 2. 1936 – DC – 3- Commercial air transport curises at 10,000 – 12,000 ft. 3. October 1947 – Bell x-1- First jet to break the sound barrier, 12,000 ft. 4. May 4, 1961 – Highest manned balloon, 21.5 miles. 5. October 1957