This PWS describes HM/HS requirements for all EMP shields in building 1000, Family of Advanced Beyond Line of Sight Terminal (FAB-T) HEMP Shielded Enclosures (HSE) and Antenna Support Towers (AST) at Offutt AFB, NE. The HEMP survivability program described in this PWS is not unique to any one weapon or mission system. The scope of this contract is for performing Hardness Maintenance / Hardness Surveillance (HM/HS) as defined in the HM/HS Plan and Procedures Manual, applicable Technical Orders, and in accordance with (IAW) MIL-STD-188-125 paragraph 4.5, HEMP protection upgrades and modifications, engineering studies, and other support as defined in the body of this PWS. The contractor shall provide all personnel and necessary tools and materials to ensure continuous HEMP hardness for supported mission systems and meet all requirements outlined in this PWS.