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The original was posted on /r/ufos by /u/Shiny-Tie-126 on 2026-05-17 15:22:19+00:00.

Original Title: UFO detections by the Ukrainian Armed Forces in the defensive fight against Russia - some objects exhibit high speeds, instantaneous acceleration, lack of visible signs of propulsion, non-trivial light effects

The US military-technological journal "CTX", published by the "Naval Postgraduate School", dedicates a current special issue to the scientific research and analysis of UAP and UFO phenomena.

One report reports on military detections of UFOs/UAPs by the Ukrainian armed forces in the defensive fight against Russia.

However, some objects and phenomena cannot be immediately identified because they demonstrate characteristics incompatible with available data on known objects: high speeds, instantaneous acceleration, lack of visible signs of propulsion, non-trivial light effects, and so on. Some of these objects, which could be initially referred to as unidentified flying objects (UFOs), are eventually identified, but some are recognized as anomalous based on these factors and are formally categorized as Un identified Aerial Phenomena (UAP).

An interesting case from the article:

Figure 9 (b) shows a single ultra-fast cigar-shaped vertical unidentified object recorded by the thermal imaging camera of a Bayraktar UAV in central Ukraine in 2023. The object followed a straight trajectory and produced no sound. Its estimated size was less than 1 m, and its velocity was about 250 m/s. Final identification analysis categorized the object as UAP due to anomaly factors including small size, unusual shape and spatial orientation, ultra-high velocity, straight trajectory, and low altitude