Final answer:
The statement about the CSWG being informed by various stakeholders to support planning is true, reflecting its importance in critical situations like the Cuban Missile Crisis, where clear communication was crucial to prevent nuclear conflict.
Step-by-step explanation:
The statement that the Communication Strategy Working Group (CSWG) is informed by subordinate units and the interagency stakeholders, and supports planning across the current operations, future operations, and future plans event horizons is likely True. This group's role would typically involve collecting input from various sources and coordinating communication strategies across different time frames within an organization or operation. The example of timely and crucial communication during the Cuban Missile Crisis highlights the importance of such groups. During this tense historical event, the necessity for clear, accurate communication between President Kennedy, his advisors, and the Soviet Union was paramount. Any miscommunication could have led to a nuclear conflict, illustrating the vital role that communication strategies and their associated working groups play in high-stakes scenarios.