WIADOMOŚCI East Front News #106: US to focus on tactical nuclear weapons and Ukraine's Patriot problem Aleksander Olech Photo. The Pentagon is considering changes to US nuclear doctrine that would place greater emphasis on low-yield tactical nuclear weapons. T-70 helicopters are intended for military, security, firefighting and search-and-rescue missions. Author: Adam JaworIs Russia preparing for another mobilisation? Author: Maciej SzopaSee also Is Russia preparing for another mobilisation?