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Welcome to the United States (U.S.) Department of the Navy's Mariana Islands Training and Testing (MITT) Environmental Impact Statement (EIS)/Overseas Environmental Impact Statement (OEIS) website, an online resource for information about the Navy’s training and testing activities within the MITT Study Area.


The U.S. Navy invites you to participate in the National Environmental Policy Act (NEPA) process for the MITT EIS/OEIS. The Navy has prepared a Final EIS/OEIS to ensure the consideration of potential environmental effects from military training and testing activities in the MITT Study Area.


Mariana Islands Training and Testing Study Area Map
Record of Decision
The Mariana Islands Training and Testing Final EIS/OEIS Record of Decision Notice of Availability has been published in the Federal Register. A copy of the notice and Record of Decision is available for download 
NMFS Signed Letter of Authorization
The signed Letter of Authorization for training and testing activities is available for download
NMFS Final Biological Opinion and Final Rule
A copy of the NMFS Mariana Islands Training and Testing Biological Opinion is available for download. The Mariana Islands Training and Testing Final Rule is also available for download. 
USFWS Final Biological Opinion
A copy of the USFWS Mariana Islands Training and Testing Biological Opinion may be downloaded by clicking here. 
Notice of Availability
The Mariana Islands Training and Testing Final EIS/OEIS Notice of Availability has been published in the Federal Register. A copy of the notice is available for download.  
Public Review and Comment on the Draft MITT EIS/OEIS
Public commenting on the Draft EIS/OEIS is now closed. Comments were accepted from September 13, 2013 to December 12, 2013. 
Public Commenting Is Closed
The MITT Draft EIS/OEIS public comment period was open from Sept. 13, 2013 through Dec. 12, 2013. All comments are currently being reviewed by the Navy for inclusion in the Final EIS/OEIS. 

MITT Draft EIS/OEIS Public Meetings Rescheduled
Open House Public Meetings have been rescheduled for November 12-15, 2013. The public commenting period has been extended through December 12th, 2013. 

MITT Draft EIS/OEIS Public Meetings Postponed
Due to the federal government shutdown on October 1, 2013, the U.S. Navy is postponing the public meetings for the MITT Draft EIS/OEIS planned for October 7 through October 10, 2013. Public meetings will be rescheduled and the public notified of the new meeting dates. Public comments on the Draft EIS/OEIS will still be accepted during the government shutdown. 

Open House Public Meetings Announced for MITT Draft EIS
Open House Public Meetings announced for MITT Draft EIS. 

Notice of Public Meetings Released
The Notice of Public Meetings for the MITT Draft EIS/OEIS has been published in the Federal Register. 

Notice of Availability Released
The Notice of Availability of the MITT Draft EIS/OEIS has been published in the Federal Register. 

Supporting Technical Documents Available for Download
Several technical support documents are available on the Supporting Technical Documents page

MITT Draft EIS/OEIS Available for Download
The Mariana Islands Training and Testing Draft Environmental Impact Statement/Overseas Environmental Impact Statement is available for download on the Draft EIS/OEIS page

MITT EIS/OEIS Scoping Commenting Period Has Ended
The MITT EIS/OEIS Scoping commenting period ended on November 7, 2011, but a 45-day commenting period will commence once the Draft EIS/OEIS is published. 

Notice of Intent Released
The MITT EIS/OEIS Notice of Intent has been published in the Federal Register.