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Message: <blockquote data-quote="overscan (PaulMM)" data-source="post: 20930" data-attributes="member: 1"><p>Yes - the primary reason for R-77 to have lattice fins was that the USSR hadn't developed sufficiently lightweight yet powerful actuators as needed for the high level of manouverability combined with low launch weight. Planned modernised R-77 missiles will ditch the lattice fins because they are more draggy than a traditional fin, and Russia now has sufficiently light yet powerful actuators for the job.</p></blockquote><p></p>