The first of the Andrews fighters was airborne at 10:38.
( ( ( The first ) ( of ( the ( Andrews fighters ) ) ) ) ( ( was ( airborne ( at 10:38 ) ) ) . ) )
(ROOT (S (NP (NP (DT The) (JJ first)) (PP (IN of) (NP (DT the) (NNP Andrews) (NNS fighters)))) (VP (VBD was) (ADJP (JJ airborne) (PP (IN at) (NP (CD 10:38))))) (. .)))
Fighters were in they sky at 10:38.
( Fighters ( ( ( ( were ( in they ) ) sky ) ( at 10:38 ) ) . ) )
(ROOT (S (NP (NNS Fighters)) (VP (VBD were) (PP (IN in) (NP (PRP they))) (ADVP (NN sky)) (PP (IN at) (NP (CD 10:38)))) (. .)))