DLA runs the US strategic stockpile. CRE to the best of my knowledge is the ONLY source of Tantalum in No. America. The US strategic stockpile has No tantalum. DLA needs to hear from CRE.

Here's what CRE's website reports that DLA did for a beryillium supplier in  2008. Maybe the same could happen for CRE and tantalum? and berylium ?

In 2008, the leading U.S. beryllium producer opened a new bertrandite mine in Utah. The company also began

construction of a new primary beryllium facility at its operations in Ohio. The engineering and design of the new facility

was funded by the U.S. Department of Defense under the Defense Production Act, Title III. Construction and startup

of the facility was expected to take 2 to 3 years; funding would require additional Title III approval. Primary beryllium

facilities, the last of which closed in the United States in 2000, produce the feedstock used to make beryllium metal