| Unit Name: | U.S. Army Aviation Battalion Japan |
| Country: | United States |
| Allegiance: | United States Army |
| Branch: | Army |
| Type: | Aviation |
| Size: | Battalion |
| Command Structure: | US Army Japan |
| Garrison: | Camp Zama, Japan |
| Nickname: | Ninjas |
| Colours: | --> |
| Colours Label: | --> |
| Decorations: | Army Superior Unit Award |
| Current Commander: | Lieutenant Colonel Nicklaus C. Franck |
| Notable Commanders: | COL (Retired) Sally D. Murphy |
| Aircraft Helicopter Utility: | Sikorsky UH-60L Black Hawk |
| Aircraft Transport: | Cessna UC-35 Citation |
U.S. Army Aviation Battalion Japan ("Ninjas") is a U.S. Army military unit based at Camp Zama in Kanagawa Prefecture, Japan. Formerly the 78th Aviation Battalion (Provisional), It is equipped with UH-60L Black Hawks.[1] On 1 April 2013, the Department of the Army granted official battalion status, and the unit was renamed the United States Army Aviation Battalion Japan, resulting in internal structure changes and additional personnel authorizations. The Battalion is composed of Headquarters, Headquarters Company (HHC) "Bushmasters", Alpha Company "Ravens", Alpha Company, 52nd Aviation Regiment (Detachment), Department of Defense (DOD) contractors and Japanese Master Labor Contractors (MLC).
The mission of the U.S. Army Aviation Battalion Japan "Ninjas" is to conduct aviation operations in support of the U.S. Army Japan and I Corps (Forward). The battalion is prepared to deploy in support of regional contingencies, joint/bilateral exercises, and regional stability and support operations. The U.S. Army Aviation Battalion Japan, conducts a variety of air movement and training support missions to include distinguished visitor transport, U.S. military and Department of Defense civilian transport, overwater/shipboard operations, humanitarian assistance/disaster relief, casualty evacuation, external sling-load operations, rappelling, airborne operations, helocasting, firefighting/water bucket operations, and aerial gunnery. The battalion has participated in many joint and bilateral exercises throughout the Pacific, such as Yama Sakura, North Wind, Orient Shield, Ulchi Focus Lens, Cobra Gold and Balikatan.