Answer:
Based on the hypothetical scenario you provided, I can provide a list of potential positives and negatives that an Air Force pilot in WWII might consider if asked to go back to Europe in 1948 to save people in Germany's capital from starving to death:
Positives:
Ability to help people in need
Sense of duty and honor to serve one's country
Opportunity to use piloting skills to make a positive impact
Potential to gain additional experience and skills
Opportunity to work with other military personnel toward a common goal
Negatives:
Risk of physical harm or death in a dangerous situation
Emotional trauma from seeing people suffer
Personal sacrifices, such as time away from family and loved ones
Moral conflict between bombing Germany in the past and now helping its people
The possibility of not being able to achieve the mission and save lives, leading to disappointment or guilt.