Joint education is based on joint and should reflect the deliberate, iterative, and continuous nature of joint force development.

Joint education is based on joint doctrine and should reflect the deliberate, iterative, and continuous nature of joint force development.

Explanation:

A joint doctrine consists of the elementary rules the United States military forces use as a guide when carrying out a coordinated action against a common target. When it is included in joint publications, it contains tactics, techniques, methods, and terminology. It has supreme authority, but it requires rationality for being applied.

the 2nd option is the answer

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