Unfortunately internal community & politics appear to be holding back the declassification of the US "good stuff" Keyhole (KH-8 & KH-9) imagery. In spite of National Reconnaissance Office (NRO's) 50th., Anniversary planning to declassify the KH-8 and KH-9 systems programs & imagery on September 17,...
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The difference between the Progress/Soyuz-U verses the Soyuz-FG for Soyuz-TMA is difference mods but it appears to be the basic same system except the Progress/Soyuz-U booster uses the much older 11D55 known as the RD-0110 engine on the third stage as does the Soyuz-FG that...
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