He felt very uneasy.
(a) The young pilot on his first overseas training felt very uneasy.
(b) The young pilot felt very uneasy during his first overseas training.
(c) The young pilot’s first overseas training made him feel very uneasy.
(d) Extreme uneasiness seized the young pilot on his first overseas training.
(e) The young pilot was on his first overseas training, feeling very uneasy.
(f) It being his first overseas training, the young pilot felt very uneasy.
(g) Being on his first overseas training, the young pilot felt very uneasy.
(h) The young pilot was on his first overseas training and felt very uneasy.
(i) The young pilot, who was on his first overseas training, felt very uneasy.
(j) When the young pilot was on his first overseas training, he felt very uneasy.
(k) As the young pilot was on his first overseas training, he felt very uneasy.
(l) The young pilot was on his first overseas training, 50 that he felt very uneasy.