His power rested on the Fengtian Army, which was composed of about 100,000 men in 1922 and almost triple that number by the end of the decade. It had obtained large stocks of weapons left over from World War I and included naval units, an air force and an armaments industry. Zhang integrated a large number of local militias into his army, and thus prevented Manchuria from falling into the chaos which reigned in China proper at the time. Jilin province was ruled by a military governor, who was said to be a cousin of Zhang; Heilongjiang had its own regional warlord, who never displayed any ambitions outside the province.