Answer:
explain why Jerry Jaax chose Captain Mark Haines to accompany him inside.
Step-by-step explanation:
In this excerpt, the author lists Captain Mark Haines's qualifications. We learn that the captain is a former Green Beret. We also learn that he had been through scuba-diving school and that he jumped out of airplanes at night into the open sea. Finally, we learn that he was not a man who would get claustrophobia and go into a panic in a space suit. All of these characteristics show us why Jerry Jaax chose captain Mark Haines to accompany him inside.