2023 Iowa Code 29A.2 – Army national guard and air national guard created

2022 Iowa Code 29A.2 – Army national guard and air national guard created

2020 Iowa Code 29A.2 – Army national guard and air national guard created

2018 Iowa Code 29A.2 – Army national guard and air national guard created

2016 Iowa Code 29A.2 – Army national guard and air national guard created

2014 Iowa Code 29A.2 – Army national guard and air national guard created.

2009 Iowa Code 29A.2 – Army national guard and air national guard created