And it's my understanding they've already taken a couple of aircraft out.
( And ( it ( ( 's ( ( my understanding ) ( they ( ( 've already ) ( ( taken ( ( a couple ) ( of aircraft ) ) ) out ) ) ) ) ) . ) ) )
(ROOT (S (CC And) (NP (PRP it)) (VP (VBZ 's) (NP (NP (PRP$ my) (NN understanding)) (SBAR (S (NP (PRP they)) (VP (VBP 've) (ADVP (RB already)) (VP (VBN taken) (NP (NP (DT a) (NN couple)) (PP (IN of) (NP (NN aircraft)))) (ADVP (RB out)))))))) (. .)))
The US military shot down the plans.
( ( The ( US military ) ) ( ( ( shot down ) ( the plans ) ) . ) )
(ROOT (S (NP (DT The) (NNP US) (NN military)) (VP (VBD shot) (PRT (RP down)) (NP (DT the) (NNS plans))) (. .)))