BALOO and OWL have been combined into one program and is the training that Adult Cub Scout leaders take so that they are able to take their Scouts camping. It is an overnight program that teaches you the skills necessary to insure a safe and happy camping exerience.
IOLST or Introduction to Outdoor Leader Skills is the Boy Scout outdoor training program. This is the overnight portion of the training. There is also classroom or online classes that need to be taken. This course is required to be trained as a Scoutmaster or Assistant Scoutmaster.