Final answer:
The correct condition for a pregnant servicewoman's work environment during the last trimester is restricted duty, to ensure safety for both mother and child.
Step-by-step explanation:
An appropriate work environment for a servicewoman during the last 3 months of pregnancy is described as restricted duty.
This is to ensure the health and safety of both the expectant mother and the unborn child. In the 1960s, tangible gains for women in the workforce included safeguards against termination due to life events such as pregnancy. Nowadays, it is understood that employers cannot discriminate against women planning to get pregnant or those returning to work after pregnancy.
Considering these protections, a pregnant servicewoman would likely be assigned duties that do not involve intensive physical training, overseas deployment, or unchanged work responsibilities that could pose risks to her health or that of the baby.