The rank indicated by a chevron of two stripes is indeed Airman. In the U.S. Air Force, the rank structure is symbolized by chevrons on the uniforms. An Airman holds this specific rank, which is recognized as E-2 in the enlisted pay grades. This rank comes after the rank of Airman Basic, which has no insignia, and is characterized by the simplicity of the two stripes, signifying that the individual has completed basic training and is in the early stages of their military career.
The other ranks listed have more complex or additional insignia. The Senior Airman rank, for example, is represented by three stripes, indicating a higher level of experience and responsibility. Similarly, the Staff Sergeant has additional stripes and signifies a non-commissioned officer position, while the Technical Sergeant has even more stripes, reflecting further advancement in rank and leadership within the Air Force.