建军节 on 1 August marks the
南昌起义 of 1927, counted as the founding of the PLA, which is why the army's emblem carries
八一. From the 1950s to the 1970s
建军 was also a favourite given name for boys, alongside
建国 'build the nation' and
建华 'build China':
李建军 sounds like a whole generation.