Specific rank in the Japan Air Self-Defense Force, equivalent to a colonel in many air forces. Not used for army or navy ranks.
He was promoted to colonel (JASDF).
Army/GSDF colonel; 一等空佐 is the air force equivalent.
Ground Self-Defense Force colonel; same rank level, different service branch.
Maritime Self-Defense Force captain (equivalent to colonel); same rank level, different service branch.
Standard kanji form for this JASDF rank.
Numerical variant; less common but still seen in official contexts.
Compound of 一等 (first class) + 空佐 (air assistant/field officer), following the JASDF rank naming pattern.