According to tung, the training technique exposes trainees to the kinds of situations they are likely to encounter, which are critical to successful interactions. field experiences area studies language trainings culture assimilators

I believe the answer is: Culture assimilators

Culture assimilators filled with various programs that prepare the subject with various information in ther culture destination.
The purpose of these programs is to make the subjects able to display the behaviors that could be accepted by the people in other culture and prevent the subjects from making any actions that might offend them.