Final answer:
The principle of Personnel Support that encapsulates timely and effective support, detailed planning, and integration of all personnel support elements is responsiveness.
Step-by-step explanation:
The principle of Personnel Support that requires timely and effective personnel support, detailed J1 planning and coordination, and integration of all elements of personnel support and personnel service support is responsiveness.
Responsiveness in the context of Personnel Support means that an organization must be able to adjust its personnel resources to meet both internal and external demands efficiently. This could involve reallocating staff to different tasks, adjusting to new policies, or responding to external events that require an immediate and effective action.