A Ukrainian delegation in the U.S. signed a memorandum with the company Diamond Age on cooperation in building shelters using 3D printers, the Strategic Industries Ministry announced on Dec. 6. Bomb shelters play a crucial role in protecting the Ukrainian population from daily Russian attacks. After a summer audit uncovered that around one-third of Ukraine’s shelters are not usable, President Volodymyr Zelensky tasked the authorities to put them in proper order. The delegation, which included Strategic Industries Deputy Minister Hanna Hvozdiar and Ukrainian Defense Industry (Ukroboronprom) dir…