[T]he report’s executive summary certainly gets to the heart of their findings.
“The rhetoric from small modular reactor (SMR) advocates is loud and persistent: This time will be different because the cost overruns and schedule delays that have plagued large reactor construction projects will not be repeated with the new designs,” says the report. “But the few SMRs that have been built (or have been started) paint a different picture – one that looks startlingly similar to the past. Significant construction delays are still the norm and costs have continued to climb.”
They used pressurised water reactors with enriched uranium. Dunno how the costs run but there is no strategic alternative anyway. They also wouldn’t want such highly enriched uranium to be commonplace.
And cost isn’t really an issue for militaries, while it absolutely is for civilians.