latwarden ← Back to 2026-04-17 briefingSatellite Coverage
Summary
Satellite analysis fresh (latest 2026-04-17 15:05:45 UTC).
Why this matters
Activity at military sites — vehicle movement, construction, equipment staging — can indicate preparation, rotation, or capability changes.
What we saw
The Engels-2 strategic aviation facility shows moderate change in SAR radar data, with a VV change of -1.4 dB and a VH/VV ratio of -7.7 dB. The runway appears clear, and vehicle concentration is low.
SAR data indicates normal activity at Tver-Migalovo. The low VH/VV ratio suggests limited changes in surface roughness or vegetation.
SAR data indicates normal activity at the Rostov-Southern-HQ facility. The VH/VV ratio suggests minimal changes in surface roughness or scattering characteristics.
The SAR data indicates normal activity at the Nizhny-Tagil-UVZ facility. The vehicle concentration appears low, and no aircraft are visible.
SAR data indicates a significant change in VV polarization (+3.7 dB) compared to the baseline, while the VH/VV ratio is -6.5 dB. The runway appears clear, and there are few vehicles visible, suggesting moderate activity.
The SAR data indicates normal activity at the Sevastopol naval facility. The polarimetric ratio suggests minimal surface roughness changes.
Significant changes in SAR radar data (VV -4.4 dB) and a low VH/VV polarimetric ratio (-13.5 dB) suggest increased activity at the Klintsy staging area. The presence of vehicles is estimated to be moderate, indicating a potential shift in operational status.
The Ostrov airbase shows normal SAR activity with a clear runway. There are a few vehicles visible, but no aircraft are observed.
The satellite image of Baranovichi Air Base shows a clear runway and low vehicle concentration. SAR data indicates normal activity levels.
The SAR data indicates normal activity at the Osipovichi storage facility. The polarimetric ratio suggests limited scattering from complex structures, consistent with a storage facility in a routine operational state.
The satellite image of Chernyakhovsk airbase shows a low level of activity. The runway is clear and there are few vehicles observed.
The SAR data indicates normal activity at Gusev-garrison. The polarimetric ratio suggests limited vegetation or surface roughness changes, and the VV polarization is within baseline parameters.
How sure we are
Last data: 2026-04-17 15:05 UTC
Basis: Sentinel-2 optical + Sentinel-1 SAR (revisit ~5 days)
Limitation: Cloud cover can block optical imagery. SAR provides backup but lower interpretability.
How we know
We analyze Sentinel-2 optical imagery (10m resolution) and Sentinel-1 SAR radar of monitored military sites. Changes are detected by comparing current imagery against seasonal baselines.
Primary source: Copernicus Sentinel-2 / Sentinel-1