Which of the following is a consideration in electronic warfare planning?

Countermeasures play a critical role in electronic warfare planning as they are the strategies and techniques employed to protect friendly forces while disrupting or deceiving enemy electronic systems. This includes minimizing the effectiveness of hostile electronic warfare efforts, such as jamming communications or radar systems. Effective planning in electronic warfare must incorporate a thorough understanding of potential countermeasures to ensure that operations can continue efficiently and safely in a contested electromagnetic environment.

The other choices, while important in broader strategic planning, do not specifically pertain to the nuances of electronic warfare. Budget estimation may be relevant in a general sense but does not inform the tactical considerations unique to electronic warfare. Weather forecasting can impact many military operations, but it does not specifically address the electronic dimensions of warfare. Personnel recruitment, while vital for overall mission readiness, is not a direct consideration in the tactical planning of electronic warfare operations.