 By lowering the adversary's morale and then its efficiency, PSYOP can also discourage aggressive actions by creating disaffection within their ranks, ultimately leading to surrender.Between 2010 and 2014, PSYOP was renamed Military Information Support Operations (MISO), then briefly renamed PSYOP in August 2014, only to return to MISO shortly thereafter in 2015.The term was again renamed back to PSYOP in October 2017.