According to 'Star Trek: Klingon Bird-of-Prey Haynes Manual', the cloak works by generating a quantum phase bubble around the ship.

It's been demonstrated that non-warp ships can in fact 'borrow' another ship's warp capability by tucking inside that ship's warp field. By the same token, has it been demonstrated or is it possible to use that same technique to 'borrow' another ship's cloak by tucking inside this quantum phase bubble?


Yes, a cloaking shield can be extended around a non-cloak capable vessel.

The cloaking device is an offshoot of shielding technology and can be tied into either the deflector shield or a ship's main shield and hence can be extended.

In TNG: "Devil's Due", the following exchange takes place;

PICARD : She has a Romulan cloaking device?

GEORDI : More likely, a bad copy of one. We picked it up through a wavelength stretchout...

PICARD : And the Enterprise?

GEORDI : Exactly where it's supposed to be. Ardra extended her cloaking shields around it...

In the episode VOY: "Tinker, Tenor, Soldier, Spy", the aliens are using a cloaking field which appears to extend to cover multiple vessels;

JANEWAY: I don't want to hear it. However, I would like to know why you've disobeyed my direct order.

EMH: I can prove it to you. The alien told me how to reconfigure our sensors to compensate for their cloaking field.

KIM: He's right. I'm picking up three ships out there. Distance six hundred million kilometres, headed right for us.

This obviously applies to standard cloaks. There's no in-canon way to tell whether this also applies to exotic cloak types such as the one used to cloak an entire planet in TNG: "When The Bough Breaks" or the Trans-phasic cloak used by the Enterprise in TNG: "Pegasus"

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    The Voyager one sounds a bit like it might have been bad wording as well. Like a skipped word: "[...] compensate for their cloaking field [technology]" It's more obvious for the TNG episode though to be indeed the case. – Mario Apr 27 '14 at 8:31
  • @Mario - A cloaking field sounds different from a cloaking shield. – Valorum Apr 27 '14 at 8:33
  • Ah, yes, that's true. Missed that detail. – Mario Apr 27 '14 at 8:47
  • @Richard -Good research. Now that you bring that episode (TNG 4x13) to light, it reminded me of something I noticed about it at the time. She cloaked the Enterprise without the Enterprise noticing it nor did they become aware of her ship when she did. This is secondary to the question or your answer, just interesting. – Morgan Apr 27 '14 at 9:20
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    @Lèsemajesté - Not forgetting that the cloak seen in Star Trek IV, the cloak is completely flush to the edge of the ship; img834.imageshack.us/img834/6347/drd0.png – Valorum Apr 27 '14 at 14:55

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