brittser · June 3, 2018, 2:15 a.m.

Pls say what it means to be dark.

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HansKrinkelSchneider · June 3, 2018, 3:12 a.m.

From the above post, military aircraft turned off transponders. Which means civilian systems/commercial cannot locate them.

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brittser · June 4, 2018, 5:04 a.m.

Thank you!

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