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What are these sensors (or lights) on this heavy assault Chinook MH-47G of the US 160th Special Operations Aviation Regiment, "Night Stalkers"?

enter image description here
Source, picture by Russell Hill

This regiment was the subject of Ridley Scott's Black Hawk Down.

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    $\begingroup$ Well... they featured in it but that movie is really about the Rangers. $\endgroup$ – Gaius Jul 7 at 13:28
  • $\begingroup$ @Gaius: You're right, the Black Hawks from the 160th SOAR were used to support the Ranger task force. $\endgroup$ – mins Jul 7 at 14:36
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Those sensors are part of the AN/AVR-2A Laser Warning System. Here is a closeup of the system components.

AN/AVR-2A

The AN/AVR-2A is a passive laser warning system which receives, processes and displays threat information resulting from aircraft illumination by laser designators, range finders and beam riding missiles. ... The AN/AVR-2A LDS consists of one interface unit comparator and four identical sensor units.; image from thaimilitaryandasianregion.wordpress.com

These sensors are installed on the MH-47G Chinook, as given in americanspecialops.com

Defensive systems

Common Missile Warning System (CMWS)

Suite Of Integrated Radio Frequency Countermeasures (SIRFC)

AN/AVR-2b Laser Warning System

XM216 Dark Flares (invisible to naked eye)

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