(3) a description of any gaps in maritime do-
main awareness within the area of responsibility of 
such sector resulting from an inability to meet the 
enduring maritime domain awareness requirements 
of the sector or adequately respond to maritime dis-
order; 
(4) an identification of current technology and 
assets the Coast Guard has to mitigate the gaps 
identified in paragraph (3); 
(5) an identification of capabilities needed to 
mitigate such gaps, including any capabilities the 
Coast Guard currently possesses that can be de-
ployed to the sector; 
(6) an identification of technology and assets 
the Coast Guard does not currently possess and are 
needed to acquire in order to address such gaps; and 
(7) an identification of any financial obstacles 
that prevent the Coast Guard from deploying exist-
ing commercially available sensor technology to ad-
dress such gaps. 
SEC. 210. GREAT LAKES WINTER SHIPPING. 
(a) GREAT LAKES ICEBREAKING OPERATIONS.— 
(1) GOVERNMENT ACCOUNTABILITY OFFICE RE-
PORT.— 
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(A) IN GENERAL.—Not later than 1 year 
after the date of enactment of this Act, the 
Comptroller General of the United States shall 
submit to the Committee on Commerce, 
Science, and Transportation of the Senate and 
the Committee on Transportation and Infra-
structure of the House of Representatives a re-
port on Coast Guard icebreaking in the Great 
Lakes. 
(B) 
ELEMENTS.—The 
report 
required 
under subparagraph (A) shall— 
(i) evaluate— 
(I) the economic impact related 
to vessel delays or cancellations asso-
ciated with ice coverage on the Great 
Lakes; 
(II) the impact the standards 
proposed in paragraph (2) would have 
on Coast Guard operations in the 
Great Lakes if such standards were 
adopted; 
(III) the fleet mix of medium ice-
breakers and icebreaking tugs nec-
essary to meet the standards proposed 
in paragraph (2); and 
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(IV) the resources necessary to 
support the fleet described in sub-
clause (III), including billets for crew 
and operating costs; and 
(ii) make recommendations to the 
Commandant for improvements to the 
Great Lakes icebreaking program, includ-
ing with respect to facilitating shipping 
and meeting all Coast Guard mission 
needs. 
(2) PROPOSED STANDARDS FOR ICEBREAKING 
OPERATIONS.—The proposed standards, the impact 
of the adoption of which is evaluated in subclauses 
(II) and (III) of paragraph (1)(B)(i), are the fol-
lowing: 
(A) Except as provided in subparagraph 
(B), the ice-covered waterways in the Great 
Lakes shall be open to navigation not less than 
90 percent of the hours that vessels engaged in 
commercial service and ferries attempt to tran-
sit such ice-covered waterways. 
(B) In a year in which the Great Lakes 
are not open to navigation, as described in sub-
paragraph (A), because of ice of a thickness 
that occurs on average only once every 10 
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years, ice-covered waterways in the Great Lakes 
shall be open to navigation at least 70 percent 
of the hours that vessels engaged in commercial 
service and ferries attempt to transit such ice- 
covered waterways. 
(3) REPORT BY COMMANDANT.—Not later than 
90 days after the date on which the Comptroller 
General submits the report under paragraph (1), the 
Commandant shall submit to the Committee on 
Commerce, Science, and Transportation of the Sen-
ate and the Committee on Transportation and Infra-
structure of the House of Representatives a report 
that includes the following: 
(A) A plan for Coast Guard implementa-
tion of any recommendation made by the Comp-
troller General under paragraph (1)(B)(ii) with 
which the Commandant concurs. 
(B) With respect to any recommendation 
made under paragraph (1)(B)(ii) with which 
the Commandant does not concur, an expla-
nation of the reasons why the Commandant 
does not concur. 
(C) A review of, and a proposed implemen-
tation plan for, the results of the fleet mix anal-
ysis under paragraph (1)(B)(i)(III). 
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