Complex sentence: Later, a new application of the repellant was developed by U.S. Army and the USDA consisted of DEET and other polymers that extended the release of the DEET and reduced its evaporation rate.
Split into simpler sentences: Later, a new version of the repellent was developed by U.S. Army and the USDA. This incarnation consisted of DEET and other polymers that extended the release of the DEET and reduced its evaporation rate.