11. During this time Strughold's attention was increasingly drawn to the emerging science of aviation medicine . 12. Airlines that do not have their own aviation medicine research establishments ( e . g. 13. Aviation medicine was still in its infancy meaning pilots were left to solve operational problems themselves.14. Although Lyster's most significant contribution was pioneering aviation medicine , he was instrumental in many other areas. 15. In 1947, Gazenko was appointed to the Institute of Aviation Medicine of the Ministry of Defence. 16. Ernsting was an international ambassador for aviation medicine . 17. In October of that year, a branch of the School of Aviation Medicine was also established. 18. After other medical tours of duty, he attended the School of Aviation Medicine Headquarters in 1931. 19. The U . S . Air Force recruited him for its School of Aviation Medicine in 1950. 20. While working in the Altitude Division of the RAF Institute of Aviation Medicine , he worked on Typhoon.