WASHINGTON — The Biden administration on Friday announced a slew of fresh sanctions and additional measures targeting Iran’s aviation and defense sector, as Washington ups the ante in its campaign against Tehran for supplying Moscow with weapons for its war on Ukraine.

The Treasury Department imposed sanctions on six executives and board members from Iran’s Qods Aviation Industries, the country’s top defense manufacturer, for producing unmanned aerial vehicles, or UAVs. Tehran has transferred UAVs to Moscow for use on the battlefield across Ukraine, according to the Treasury.

The administration also designated Nader Khoon Siavash, the director of Iran’s Aerospace Industrial Organization, for his work in overseeing the country’s ballistic missile program. In addition, Treasury also imposed sanctions on Qods Aviation Industries Chairman Seyed Hojatollah Ghoreishi, managing director Ghassem Damavandian, board members Hamidreza Sharifi-Tehrani, Reza Khaki, Majid Reza Niyazi-Angili and Vali Arlanizadeh.

“The Kremlin’s reliance on suppliers of last resort like Iran shows their desperation in the face of brave Ukrainian resistance and the success of our global coalition in disrupting Russian military supply chains and denying them the inputs they need to replace weapons lost on the battlefield,” wrote Secretary of the Treasury Janet Yellen in a…