Probiotics such as bifidobacteria are typically used in cases when a disease occurs or might occur due to a kill-off of normal bacteria. For example, treatment with antibiotics can destroy disease-causing bacteria, but also normal bacteria in the GI (gastrointestinal) and urinary tracts.
The 3-place Hiller Model 360, military H-23 Raven, was based on the U.S. Navy UH-12, which was first flown in 1948. The H-23 Raven performed as a utility, observation, and MedEvac helicopter during the Korean war.
The paratroopers of the 187th Airborne Regimental Combat Team (known as the âRakkasansâ) conducted all of the airborne operations of the Korean War. They jumped into Sunch'Ån, North Korea in 1950, and Munsan-ni, South Korea in 1952. The Rakkasans fought in a total of six campaigns in Korea.