The seeker deal aligns with an agreement in January between the Pentagon and Lockheed to up the annual production of THAAD interceptors from 96 to 400.
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.
The service's new policy also removed previous enlistment obstacles for potential recruits who have a single marijuana or drug paraphernalia conviction.