He was a pilot, not a platoon leader.
( He ( ( was ( ( ( ( a pilot ) , ) not ) ( a ( platoon leader ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD was) (NP (NP (DT a) (NN pilot)) (, ,) (RB not) (NP (DT a) (NN platoon) (NN leader)))) (. .)))
He felt drastically under-qualified to assume command.
( He ( ( felt ( drastically ( under-qualified ( to ( assume command ) ) ) ) ) . ) )
(ROOT (S (NP (PRP He)) (VP (VBD felt) (ADJP (ADVP (RB drastically)) (JJ under-qualified) (S (VP (TO to) (VP (VB assume) (NP (NN command))))))) (. .)))