1 8 0 6 - 1 8 1 2 ▁and ▁Patri otic ▁War ▁of ▁ 1 8 1 2 . ▁ ▁In ▁ 1 7 9 7 , ▁Z asy ad ko ▁graduated ▁from ▁the ▁Art illery ▁and ▁Engineering ▁School ▁in ▁Saint ▁Petersburg ▁( current ly ▁Moz h ay sky ▁Military ▁Engineering - Space ▁University ). ▁▁ ▁In ▁ 1 8 1 5 , ▁Z asy ad ko ▁began ▁his ▁work ▁on ▁creating ▁military ▁gun pow der ▁rock ets . ▁He ▁constructed ▁ro cket - launch ing ▁platforms , ▁which ▁allowed ▁to ▁fire ▁in ▁sal vos ▁( 6 ▁rock ets ▁at ▁a ▁time ), ▁and ▁gun - lay ing ▁devices . ▁Z asy ad ko ▁elabor ated ▁a ▁tact ics ▁for ▁military ▁use ▁of ▁ro cket ▁weapon ry . ▁In ▁ 1 8 2 0 , ▁Z asy ad ko ▁was ▁appointed ▁head ▁of ▁the ▁Petersburg ▁Arm ory , ▁Ok ht ens ky ▁Pow der ▁Factory , ▁py rote chn ic ▁labor atory ▁and ▁the ▁first ▁High er ▁Art illery ▁School ▁in ▁Russia . ▁In ▁ 1 8 2 7 , ▁Z asy ad ko ▁was ▁in ▁charge ▁of ▁Art illery ▁Head quarters ▁of ▁the ▁Russian ▁army ▁and ▁took ▁part ▁in ▁the ▁Rus so - T urk ish ▁War ▁of ▁ 1 8 2 8 - 1 8 2 9 , ▁his ▁rock ets ▁played ▁important ▁role ▁during ▁sie ge ▁of ▁Br ă ila ▁and ▁V arna . ▁He ▁organized ▁ro cket ▁production ▁in ▁a ▁special ▁ro cket ▁work shop ▁and ▁created ▁the