As the Navy builds its presence in the Middle East, experts argue that the force should rely more on allies to improve the U.S. maritime industrial base.
Iran has struck radar systems, satellite communications and mission-critical aircraft at US bases across Bahrain, Qatar, Kuwait, Saudi Arabia and the UAE.
The results are "alarmingly low" and reveal "drastically less confidence" compared to one year ago, said the president of the group that ran the survey.