fear a u.s. soldier may be improperrerly tested. -- improperly tested. peter doocy, what kind of equipment does this report deal with? >> reporter: the defense department does not know for sure if 5.1 ballistic inserts, the bullet blocking part of our soldier's body armor actually worked. in 7 contracts, the d.o.d. inspector general's two-year audit says there is no way to know for sure if the plates are protecting our men and women on the front lines because the testing was not complete. and the testing was done with inconsistent ballistics. on top of all this important altitude testing was left out because wars in iraq and