According to US reports, a "mishap" caused an unnamed Marine Corps pilot to abandon his aircraft over the southeastern state.
The crash occurred on Friday over the Zhytomyr region, which lies west of Ukraine's capital Kyiv.
"The fact that Denmark has now decided to donate 19 F-16 aircraft to Ukraine leads to an escalation of the conflict," Russian Ambassador Vladimir Barbin said in a statement.
Dutch F-16s were called into action Monday morning, but the Russian bombers were intercepted before they could enter Dutch NATO airspace.
Israel can prepare with confidence for both surgical offensive operations and optimal defensive plans.
The F-35A, or Israel’s customized version, the F-35I, has greater capabilities as a distance fighter than the F-35B, and Lockheed Martin has sold it about five times as much globally.
There is no shortage of US Air Force assets and other weapons within the CENTCOM area. However, the decision to keep releasing details on these deployments is clear messaging to Iran and Russia.
The US will send fighter jets and a warship to the Middle East in order to monitor key waterways in the region.
A Russian Su-25 fighter-bomber crashed into the Sea of Azov on Monday.
The aircraft in question was identified as an Antonov AN-30, which repeatedly flew back and forth over the At-Tanf garrison and its surrounding area.