Are high school diplomas earned online accepted by the military?

The U.S. military accepts high school equivalencies for enlistment eligibility. However, individuals are classified in Tiers for recruitment purposes. Tier 1 students have earned their diploma in a traditional high school. Students earning online diplomas would be classified in Tier 2 along with students who have earned a GED.Source:Community College Review: High School Diploma vs. GEDUnited States Army: Enlist: Requirements to Join the U.S.  more