The hwacha or hwach'a was a fifteenth-century Korean weapons platform capable of performing both the multiple rocket launcher or a volley gun roles. The overall design resembled a wooden cart with a l
A hwacha model at the Seoul War Memorial.
Contemporary plans for hwacha assembly and disassembly. Left mid and below are the front and rear of Singijeon rocket launcher modules; at the right are the front and rear of the munjong organ gun modules (Gukjo-orye-seorye, 1474)
Chongtong-gi(총통기/銃筒機) Hwacha. Each of the 50 gun barrels was loaded with four bullets, firing a total of 200 bullets. (Seoul War Memorial)
Hwacha launch pad. Igniters are placed in the narrow section of each arrow to be fired.
A turtle ship was a type of warship that was used by the Korean Joseon Navy from the early 15th century up until the 19th century. They were used alongside the panokseon warships in the fight against
Hwacha
…deployed in the defense against the two Japanese invasions of the Korean Peninsula in 1592–98. Some East Asian historians believe the hwacha and the turtle ship had a decisive effect during the war. Hwachas appear in Korean museums, national parks, and popular culture today…
Model of a turtle ship in the War Memorial of Korea
Depiction of 1795 ship considered to resemble Yi's 1592 version.
Estimation of the early 15th century turtle ship according to an illustration from 1795
Three large Chongtong at the Jinju Fortress museum. The closest is a cheonja-chongtong, the second is a jija-chongtong, and the third is a hyeonja-chongtong.