William Leitch first proposed the thought of working with rockets to permit human spaceflight in 1861. Leitch's rocket spaceflight description was initial provided in his 1861 essay "A Journey By Room", which was later posted in his guide God's Glory in the Heavens (1862). Mountain artillery, a few nations https://imr-495566914.blogrelation.com/17231671/accurate-5744-fundamentals-explained