S. 4681

[Congressional Bills 119th Congress]
[From the U.S. Government Publishing Office]
[S. 4681 Introduced in Senate (IS)]

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119th CONGRESS
2d Session
S. 4681

To require the Secretary of Defense to take action to improve air and 
missile defense acquisition, and for other purposes.

_______________________________________________________________________

IN THE SENATE OF THE UNITED STATES

June 4, 2026

Ms. Rosen (for herself, Ms. Ernst, Mr. Booker, and Mr. Lankford) 
introduced the following bill; which was read twice and referred to the 
Committee on Foreign Relations

_______________________________________________________________________

A BILL

To require the Secretary of Defense to take action to improve air and 
missile defense acquisition, and for other purposes.

Be it enacted by the Senate and House of Representatives of the 
United States of America in Congress assembled,

SECTION 1. SHORT TITLE.

This Act may be cited as the ``Optimizing Acquisition Strategies 
for Integrated Security in the Middle East Act of 2026'' or the ``OASIS 
Act of 2026''.

SEC. 2. IMPROVEMENTS TO AIR AND MISSILE DEFENSE ACQUISITION.

(a) Assessment of Air and Missile Defense Systems and 
Interceptors.--
(1) In general.--Not later than 180 days after the date of 
the enactment of this Act, the Secretary of Defense shall, in 
consultation with the Secretary of State--
(A) complete an assessment of United States and 
foreign specified partner air and missile defense 
systems and interceptors in the area of responsibility 
of the United States Central Command; and
(B) submit to the congressional defense committees 
a report on the findings of the Secretary with respect 
to the assessment completed under subparagraph (A).
(2) Contents.--The report submitted pursuant to paragraph 
(1)(B) shall include the following
(A) A description of current air and missile 
defense systems and interceptors used by the United 
States and foreign specified partners to defend against 
attacks.
(B) An analysis of current inventories and 
production rates of air and missile defense systems and 
interceptors produced by the United States and foreign 
specified partners.
(C) An assessment of the number of air and missile 
defense systems deployed and interceptors expended to 
defend against attacks within the area of 
responsibility of the United States Central Command 
since October 7, 2023, disaggregated by--
(i) the United States; and
(ii) foreign specified partners.
(D) An assessment of the air and missile defense 
systems within the area of the responsibility of the 
United States Central Command that have been damaged or 
destroyed in attacks since October 7, 2023.
(E) An assessment of the air and missile defense 
systems and interceptors developed and produced by the 
United States for which the United States defense 
industry cannot fulfill the orders placed by foreign 
specified partners so as to necessitate acquisition 
from other sources.
(b) Strategy.--
(1) In general.--Not later than 180 days after the date of 
the enactment of this Act, the Secretary of Defense shall, in 
consultation with the Secretary of State, submit to the 
congressional defense committees a strategy and implementation 
plan for cooperation with foreign specified partners to 
implement a multinational air and missile defense system and 
interceptor acquisition strategy to defend United States 
nationals and assets and foreign specified partners from 
attacks.
(2) Elements.--The strategy and implementation plan 
submitted under paragraph (1) shall include the following:
(A) A description of current efforts by the United 
States to engage foreign specified partners to 
prioritize air and missile defense needs, including 
coordination--
(i) to replenish interceptor stock 
supplies;
(ii) to facilitate the transfer and 
delivery of air and missile defense systems 
from the United States to foreign specified 
partners; and
(iii) to increase air and missile defense 
system and interceptor supply bases located 
within the area of responsibility of Untied 
States Central Command.
(B) An assessment of the feasibility and cost of 
creating an air and missile defense system and 
interceptor stockpile located within the area of 
responsibility of United States Central Command to be 
exclusively used by--
(i) the United States; and
(ii) foreign specified partners.
(C) An assessment of the feasibility of 
establishing joint ventures, licensing agreements, and 
co-production and manufacturing partnerships between 
the United States and foreign specified partners to 
accelerate the production of air and missile defense 
systems and interceptors.
(D) An identification of steps that can be taken to 
accelerate the joint research, development, 
acquisition, and transfer of alternative or lower-cost 
interceptor solutions and complementary air and missile 
defense capabilities between the United States and 
foreign specified partners, and the co-production of 
interceptors in the United States, where feasible.
(E) An analysis of the legal, economic, and defense 
policy aspects of a closer air and missile defense 
acquisition partnership between the United States and 
foreign specified partners.
(F) An analysis of lessons learned from air defense 
efforts in regional theaters, including Ukraine, the 
Middle East and North Africa, the Caucasus, and the 
Horn of Africa.
(3) Protection of sensitive information.--The strategy and 
plan submitted under paragraph (1) shall provide that any 
activity carried out pursuant to the strategy and plan is 
conducted in a manner that is consistent with protection of 
intelligence sources and methods and appropriately protects 
sensitive information and the national security interests of 
the United States.
(4) Form.--The strategy and implementation plan submitted 
under paragraph (1) shall be submitted in unclassified form, 
but may include a classified annex.
(c) Missile Defense Agency Regional Working Group.--
(1) Establishment.--(A) Not later than 120 days after the 
date of the enactment of this Act, the Director of the Missile 
Defense Agency shall, in consultation with the commander of 
United States Central Command, and the Secretary of State, 
establish a working group--
(i) to facilitate the systematic and regular 
sharing of lessons learned on the battlefield to inform 
future air and missile defense requirements, including 
research, development, testing, evaluation, production, 
procurement, training, and doctrine; and
(ii) to integrate ideas, policies, proposals, 
findings, and best practices into regional strategy and 
other relevant regional planning documents relating to 
missile defense.
(B) The working group established under subparagraph (A) 
shall be known as the ``Multilateral Middle East Missile and 
Drone Defense Working Group'' (in this section referred to as 
the ``Working Group'').
(C) The Working Group shall consist of representatives of 
the following:
(i) The United States.
(ii) Foreign specified partners.
(iii) Such others as the Director considers 
appropriate.
(2) Duties and responsibilities of director.--The Director 
shall, in consultation with the Commander of United States 
Central Command, lead the working group and be responsible for 
regularly engaging with foreign specified partners to exchange 
information and develop best practices to expand upon existing 
efforts to integrate air and missile defenses and to replenish 
and expand interceptor inventories and air and missile defense 
capacity.
(3) Convening.--The Working Group shall convene not less 
frequently than once every six months, with meeting frequency 
determined by the Director, in consultation with the Commander 
of United States Central Command and foreign specified 
partners.
(4) Annual reports.--(A) Not later than one year after the 
date of the establishment of the Working Group, and not less 
frequently than annually thereafter, the Director shall, in 
consultation with the commander of the United States Central 
Command, submit to the congressional defense committees an 
annual report on the activities of the Working Group.
(B) Each report submitted pursuant to subparagraph (A) 
shall include, for the period covered by the report, the 
following:
(i) A list of partner governments participating in 
the Working Group and a description of the degree of 
participation of each partner.
(ii) A description of the meetings conducted.
(iii) A summary of battlefield lessons learned 
shared through the Working Group, including lessons 
derived from operations against attacks in the area of 
responsibility of United States Central Command.
(iv) An identification of capability gaps among the 
United States and foreign specified partners and 
recommendations for how such gaps should be addressed 
to inform future air and missile defense requirements.
(v) Such recommendations for legislative or 
administrative action as the Director may have to 
improve the effectiveness of the Working Group.
(C) Each report submitted under subparagraph (A) shall be 
submitted in an unclassified form, but may include a classified 
annex.
(d) Definitions.--In this section:
(1) The term ``air and missile defense systems'' means air 
and missile defense articles, unmanned aerial defense articles, 
rocket defense articles, including kinetic and nonkinetic 
capabilities, and all of their component parts, including 
command and control centers, sensors, radars, and launchers.
(2) The term ``attacks'' means missile, manned and unmanned 
aerial system, and rocket attacks from Iran and armed groups 
linked to Iran.
(3) The term ``congressional defense committees'' has the 
meaning given such term in section 101(a) of title 10, United 
States Code.
(4) The term ``foreign specified partners'' means allies 
and partners in the area of responsibility of the United States 
Central Command.
(5) The term ``interceptors'' means air and missile, 
unmanned aerial, nonkinetic payloads, and rocket defense 
articles designed to detect, track, disable, or destroy 
incoming missiles, manned and unmanned aerial systems, and 
rockets.
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