US WARN layoff noticesEmployersA › Amentum

Amentum — WARN Act layoff notices

Official state WARN filings by Amentum since 1988, normalized from state labor department sources. Latest notice: 2026-09-04.

Also filed as: Combined Tactical Training Range

43notices
2,555workers affected
11states
Notice dateStateLocationEmployeesEffective dateType
2026-09-04GeorgiaE Hospital Rd Augusta772026-10-31Permanent Layoff / Reduction in Force
2026-08-21ArizonaChandler75WARN
2026-08-18Maryland7710 Milestone Parkway Hanover, MD 21076652026-11-13Mass Layoff- No Recall
2026-08-18Maryland7710 Milestone Parkway Hanover, MD 210763172026-10-31Mass Layoff- No Recall
2026-03-09Maryland4251 Suitland Road Suitland, MD 20746272026-05-03Mass Layoff - No Recall
2026-03-09Maryland10530 Riverview Road Fort Washington, MD 2074492026-05-03Mass Layoff - No Recall
2025-10-01ColoradoPueblo102025-12-01Project milestone completion
2025-08-25ColoradoPueblo602025-10-31Project milestone completion
2025-07-30ColoradoPueblo552025-10-31Related to milestone completion
2025-06-24ColoradoPueblo1352025-09-30Closure
2025-06-05ColoradoPueblo92Closure
2025-03-24ColoradoPueblo932025-05-01Completion of Mileston
2025-01-28ColoradoPueblo402025-01-28Partial completion of PCAPP Project
2025-01-27AlabamaAnniston622025-04-03Layoff
South CarolinaBeaufort622024-09-02
2024-07-31ArizonaFort Worth108WARN
2024-07-29ColoradoPueblo722024-09-30Closure (upon completion of project)
2024-05-21ColoradoPueblo112024-07-01Closure (end of Milestone 7)
2024-01-30ColoradoPueblo452024-03-01Closure-Completion of PCAPP Milestones
2023-12-14North CarolinaElizabeth City, Pasquotank County922024-02-03Closure
2023-11-21ColoradoPueblo542024-01-01Completion of PCAPP Milestones
2023-09-15ColoradoPueblo312023-11-17Completion of Project Milestone 4
2023-08-11ColoradoPueblo142023-10-12Closure (completion of milestone)
2023-07-03ColoradoRural Consortium (Pueblo)272023-08-31Reduction in Force (End Project)
2023-05-31WashingtonEverett32023-07-30Layoff
2023-05-26ColoradoPueblo192023-07-27Closure (Phase 1)
2022-10-31WashingtonOak Harbor1942022-12-31Layoff
2022-10-12FloridaKENNEDY SPACE CENTER, FL, 328991882022-11-30
2022-09-28CaliforniaSan Diego County702022-10-15Layoff Permanent
2022-01-28TexasNew Boston, Bowie1782022-03-27
2021-08-30TexasNew Boston, Bowie922021-10-29
2020-10-05CaliforniaSan Diego, San Diego County42020-10-26Layoff Permanent
2020-09-18FloridaKEY WEST, FL, 33040102020-10-26
2020-09-18FloridaALTOONA, FL, 32702162020-10-26
2020-09-18FloridaJACKSONVILLE, FL, 32212132020-10-26
South CarolinaStatewide102020-08-28
2020-07-15CaliforniaSan Diego, San Diego County32020-08-28Layoff Permanent
2020-06-30WashingtonWhidbey Island132020-08-28Layoff
2020-03-13ArizonaYuma62WARN
2020-03-13FloridaALTOONA, FL, 32702152020-05-12
2020-03-13FloridaKEY WEST, FL, 33040102020-05-12
2020-03-13FloridaJACKSONVILLE, FL, 3221292020-05-12
2020-03-13WashingtonWhidbey Island132020-05-12Layoff

Source: state WARN Act disclosures, normalized in the free US WARN notices dataset (CSV/JSON, no login, no delay, notices 1988+). WARN notices are advance notifications of plant closings and mass layoffs; actual layoff counts and dates can change after filing.

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