Complex sentence: He received several commendations for leadership etc. and in 1985 became the primary author of the Gold Silver Bronze Command Structure and also designed several mnemonics for dealing with terrorist bombs during the IRA campaign.
Split into simpler sentences: He received several commendations for leadership etc. and in 1985 became the primary author of the Gold Silver Bronze Command Structure. He also designed several mnemonics for dealing with terrorist bombs during the IRA campaign.