 After the structure of the GTO programme was established, next revisions dealt with the system of tests, applicable to evaluate physical conditions of different age groups of the population; improvements in norm requirements; specifying age limits of levels.In 1939 the tense international situation caused the inclusion of tests, necessary to prepare young people for service in the Red Army, and to prepare all the population for the possible war.Such disciplines as "crawling over", "speedy foot march", "throwing a bunch of grenades", "rope (also pole and tree) climbing", "carrying over a cartridge box", various martial arts were introduced.