( However ( , ( ( since ( ( active ( infrared light ) ) ( can ( be ( detected ( by ( night-vision goggles ) ) ) ) ) ) ) ( , ( there ( ( can ( be ( ( a risk ) ( of ( ( giving away ) ( position ( in ( tactical ( military operations ) ) ) ) ) ) ) ) ) . ) ) ) ) ) )
(ROOT (S (ADVP (RB However)) (, ,) (SBAR (IN since) (S (NP (JJ active) (JJ infrared) (NN light)) (VP (MD can) (VP (VB be) (VP (VBN detected) (PP (IN by) (NP (JJ night-vision) (NNS goggles)))))))) (, ,) (NP (EX there)) (VP (MD can) (VP (VB be) (NP (NP (DT a) (NN risk)) (PP (IN of) (S (VP (VBG giving) (PRT (RP away)) (NP (NP (NN position)) (PP (IN in) (NP (JJ tactical) (JJ military) (NNS operations)))))))))) (. .)))
However, since active infrared light can be detected by night-vision goggles, there can be a risk of giving away position in tactical military operations.
(ROOT (S (NP (PRP You)) (VP (MD can) (VP (VB use) (NP (NN night) (NNS goggles)) (S (VP (TO to) (VP (VB see) (NP (JJ infrared) (NN light))))))) (. .)))