Final answer:
The correct type of letter for official correspondence between members in the DoD on a personal approach is Memorandum for Record (MFR).
Step-by-step explanation:
The correct answer is A) Memorandum for Record (MFR).An MFR is a record of important conversations or meetings.
A Memorandum for Record (MFR) is a type of letter that is commonly used for official correspondence between members in the Department of Defense (DoD) on a personal approach. It is a document used to provide a record of a conversation, decision, or event, and does not require a response or action.
For example, if two members of the DoD have a discussion regarding a personal matter, such as a meeting or an agreement, they may choose to document the details in an MFR to ensure clarity and future reference.