Answer:
3) joint intelligence preparation of the operational environment
Step-by-step explanation:
Joint Forces Command is a US military-related combat organization that operates exclusively in military situations, including improvements in the US military sector. Whenever necessary, in a military combat situation joint force commanders should conduct an analysis of the adversary, known as joint preparation of operational environment intelligence. This analysis serves to assess the capabilities of the opponent and from the failures and deficiencies of opponents, to develop intelligent combat and decision making strategies.