scope:

MIL-HDBK-423 handbook provides information to managers and engineers responsible for the design, construction, testing, and hardness maintenance/hardness surveillance of fixed and transportable ground-based facilities that must be hardened against the high altitude electromagnetic pulse (HEMP). The primary purpose of this Volume I is to provide detailed guidance to implement HEMP protection of fixed facilities in accordance with requirements of MIL-SDT-188-125, "High Altitude Electromagnetic Pulse (HEMP) Protection for Ground-Based C'I Facilities Performing Critical, Time Urgent Missions."