| | | |
| sensuibokan | 潜水母艦 | submarine mother-ship |
| sensuikan | 潜水艦 | submarine |
| sentai | 戦隊 | air group (Note: Army air unit) |
| sentô joretsu | 戦闘序列 | order of battle |
| sentô shôhô | 戦闘詳報 | detailed engagement report
detailed battle report |
| setsueitai | 設営隊 | construction unit |
| shamôdan | 射耗弾 | expended ammunition |
| sharyô chûtai | 車両中隊 | ambulance company |
| shichûhei | 輜重兵 | army service corps |
| shichûhei rentai | 輜重兵連隊 | army service corps regiment |
| shichûtai | 輜重中隊 | supply and transport company |
| shidan | 師団 | division |
| shidan eiseitai | 師団衛生隊 | division medical unit |
| shidan shireibu | 師団司令部 | division headquarters |
| shidan tsûshintai | 師団通信隊 | division signals unit |
| shien butai | 支援部隊 | support group |
| shikan | 師管 | divisional district |
| shingeki butai | 進撃部隊 | strike force |
| shinjô meisaibo | 身上明細簿 | enlisted soldier's service record |
| shireibu | 司令部 | headquarters |
| shitai | 支隊 | detachment, force |
| shô | 廠 | depot, workshop |
| shôi | 少尉 | second lieutenant (army)
ensign (navy)
pilot officer (air) |
| shôkai butai | 哨戒部隊 | patrol group |
| shôkan | 将官 | general officer (commissioned officer above Major General) (Note: This term was used by the Japanese Army to classify commissioned officers above a certain rank. "Shôkan" can refer to the rank of Major General, Lieutenant General, or General. Se also "ikan" and "sakan." ) |
| shôkô | 将校 | commissioned officer |
| shôkôkei kahô | 小口径火砲 | rifle, small calibre gun |
| shôkonsha | 招魂社 | Shrine to commemorate the war dead (Note: Yasukuni Shrine is dedicated to the memory of all Japanese soldiers who have died in the service of their country - including members of Japan's post-war army, the Self-Defence Forces ("jieitai"). It has regional branches all over Japan) |
| shôkû daitai | 照空大隊 | anti-aircraft searchlight battalion |
| shokuju denpyô | 食需伝票 | ration return
ration indent |