The NSBRI offers undergraduate, graduate, veterinary, and medical students summer internships performing biomedical research at NASA’s Glenn Research Center in Cleveland, Ohio, Johnson Space Center in Houston, Texas, and Ames Research Center in Moffett Field, California.

The U.S. Air Force invites candidates to apply for pilot training, but a first stop is the computerized test of basic aviation skills, which uses 10 test sections to predict whether an applicant has the cognitive aptitude and psychomotor skills necessary to do well in pilot training. Study the flashcards online.

The U.S. Navy offers Professional Apprenticeship Career Tracks to help enlisted sailors find a general apprenticeship. The program is designed to help those who are “unsure what specific career field interests them at their initial time of enlistment.” At least 20 specialties are offered within the program related to maintaining, fueling, and stowing airplanes and helicopters.