Since 2002, at least 270 environmental accidents on U.S. Marine Corps bases on Okinawa have contaminated land and local waterways but, until now, few of these incidents have been made public. Internal reports highlight serious flaws in training and suggest the lessons of past accidents have not been effectively implemented. Moreover, recent USMC guidelines order service members not to inform Japanese authorities of accidents deemed "politically sensitive," raising concerns that many incidents may have gone intentionally unreported.
Catalogued in 403 pages of USMC handbooks and reports obtained under the U.S. Freedom of Information Act, the accidents occurred on three of the USMC's most important installations on Okinawa: Marine Corps Air Station Futenma, Camp Hansen and Camp Schwab. The earliest report is dated June 2002 and the most recent is from June 2016.
Although the original FOIA request sought documents from 1995 to 2016, only three reports were released for the period between 1995 and 2005. Likewise, no reports for Camp Schwab were released for the years 2008 and 2010, nor were there any documents related to the crash of a HH-60 Pave Hawk helicopter on Camp Hansen in August 2013. At the time, the crash caused a public outcry because it occurred near a dam and dangerous levels of arsenic were later discovered in the vicinity.
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