Whether significant progress on substitutes has been made is unclear at this time.

The requirement for stockpiling beryllium hot-pressed powder is driven not by the need to replenish after a conflict but by the need to assure a continuous supply to meet DoD and DOE programmatic needs attributable to the recent shutdown of the sole domestic processor of beryllium ore concentrates. As foreign suppliers are not considered reliable and the limited domestic supplies are being depleted it has been recommended that the current inventory be retained until the supply uncertainties are resolved.

This example shows that in some cases, use of Defense Production Act authorities to guarantee a U.S. source for a critical material may be preferable to maintaining a stockpile of such material.

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