The military aide returned a few minutes later, probably between 10:12 and 10:18, and said the aircraft was 60 miles out.
( ( The ( military aide ) ) ( ( ( ( ( ( ( ( returned ( ( a ( few minutes ) ) later ) ) , ) probably ) ( between ( ( 10:12 and ) 10:18 ) ) ) , ) and ) ( said ( ( the aircraft ) ( was ( ( 60 miles ) out ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ military) (NN aide)) (VP (VP (VBD returned) (ADVP (NP (DT a) (JJ few) (NNS minutes)) (RB later)) (, ,) (ADVP (RB probably)) (PP (IN between) (NP (CD 10:12) (CC and) (CD 10:18)))) (, ,) (CC and) (VP (VBD said) (SBAR (S (NP (DT the) (NN aircraft)) (VP (VBD was) (ADVP (NP (CD 60) (NNS miles)) (IN out))))))) (. .)))
The military aide returned hours later, at around 4 in the afternoon. 
( ( The ( military aide ) ) ( ( ( ( ( returned hours ) later ) , ) ( at ( ( around 4 ) ( in ( the afternoon ) ) ) ) ) . ) )
(ROOT (S (NP (DT The) (JJ military) (NN aide)) (VP (VBD returned) (NP (NNS hours)) (ADVP (RB later)) (, ,) (PP (IN at) (NP (NP (QP (RB around) (CD 4))) (PP (IN in) (NP (DT the) (NN afternoon)))))) (. .)))