Incident Summary:

04/28/2015: Three blasts occurred near a United States Army camp in Zama, Kanagawa prefecture, Japan. There were no reports of casualties in the attack. Security forces responding to the scene found iron pipes near the base believed to be rocket launchers. The Revolutionary Army claimed responsibility for the incident and denounced recent initiatives to strengthen United States (US) and Japanese relations.




East Asia

region/u.s. state:



Attack Information
Type of Attack (more) Bombing/Explosion
Successful Attack? (more) Yes
Target Information (more)
Target Type: Military
Name of Entity United States Army
Specific Description Camp Zama
Nationality of Target United States
Additional Information
Hostages No
Ransom No
Property Damage No
Weapon Information
Type Sub-type
Explosives Projectile (rockets, mortars, RPGs, etc.)
Weapon Details
Three projectiles fired from iron pipes and connected to detonators were used in the attack.
Additional Information
Suicide Attack?No
Part of Multiple Incident?No
Criterion 1 (more) Yes
Criterion 2 (more) Yes
Criterion 3 (more) No
Doubt Terrorism Proper (more) Yes
Alternate Designation (more) Insurgency/Guerilla Action
Perpetrator Group Information
Group Name Claimed Responsibility
Revolutionary Army Yes (Confirmed: Unknown; Mode: E-mail)
Perpetrator Statistics
Number of Perpetrators Unknown
Number of Captured Perpetrators 0
Casualty Information
Total Number of Casualties 0 Fatalities / 0 Injured
Total Number of Fatalities 0
Number of U.S. Fatalities 0
Number of Perpetrator Fatalities 0
Total Number of Injured 0
Number of U.S. Injured 0
Number of Perpetrators Injured 0
"Responsibility claim for U.S. Camp Zama projectile sent to media," Associated Press, May 4, 2015.
"Explosions near U.S. Army base in Japan, no injuries reported," UPI, April 28, 2015.
"Japanese Police Investigate Possible Attack On US Base Of Camp Zama, Find Projectile Near Camp," International Business Times, April 28, 2015.