GR translation: two wartime pros used to field expediency

[Mike Jing]

V609.14-19, P620.6-11   Both men have scrubbed, and donned masks and rubber
gloves. Muffage has switched on a dome light which stares down, a soft
radiant eye. The two work quickly, in silence, two wartime pros used to
field expediency, with only an occasional word from the patient, a whisper,
a white pathetic grope in his ether-darkness after the receding point of
light that’s all he has left of himself.

This must be sarcasm, since both of them are civilians and avoided
participating directly in the war, is that correct?