The correct answer to this open question is the following.
Although there are no options provided we can say the following.
The most likely example of a project that would be properly using humanitarian and civic assistance (HCA) authority would be an exchange mission in Africa, let's say Nigeria when a medical doctor from the United States Armed Forces is sent to that country to help other Nigerian doctors to support them in the attention of Nigerian sounded soldiers.
These kinds of exchanges are part of the combined training activities approved by the US military under the humanitarian and civic assistance program that helps other allied countries.
