National Nuclear Security Administration (1 Feb 2022). W87-1 MODIFICATION PROGRAM(PDF) (Report). Archived(PDF) from the original on 30 March 2022. Retrieved 30 March 2022.
National Nuclear Security Administration (1 Feb 2022). W87-1 MODIFICATION PROGRAM(PDF) (Report). Archived(PDF) from the original on 30 March 2022. Retrieved 30 March 2022.