Answer:
It allows a military taxpayer to divert money to Roth TSP that saves the military taxpayer from paying income tax on the earnings.
Explanation:
A military taxpayer want to consider making contributions to the military Thrift Savings Plan while deployed to a combat zone as it allows a military taxpayer to divert money to Roth TSP that saves the military taxpayer from paying income tax on the earnings.
Here, TSP stands for Thrift Savings Plan.