THE COMMONWEALTH OF MASSACHUSETTS

By His Excellency

LEVERETT SALTONSTALL
GOVERNOR

EXECUTIVE ORDER NO. 10

    WHEREAS, the training of the civilian population against air raids and other vicissi-
tudes of modern warfare is essential to the protection and preservation of life and property;
and

    WHEREAS, it is necessary and desirable that practice blackouts and air raid warnings
be conducted on an extensive scale from time to time for the purpose of providing such 
training:

    NOW, THEREFORE, I, Leverett Saltonstall, Governor of the Commonwealth of Massa-
chusetts, acting under the provisions of Acts of 1941, chapter 719, section 8 (a), (b), and Acts
of 1942, chapter 13, sections 2 and 3, and all other authority vested in me, do hereby issue
this order as a measure necessary and expedient for meeting the supreme emergency of the
existing state of war between the United States and certain foreign countries.

    The Massachusetts Committee on Public Safety is hereby authorized and empowered to
conduct practice blackouts and practice air raid warnings or alarms, or to order that such
blackouts, warnings or alarms be conducted, at such times and in such areas within the Com-
monwealth as may be deemed advisable by said Committee.  The authority herein conferred
is in addition to, and not in derogation of, any authority now vested in said Committee by
Acts of 1941, chapter 719, section 4, Acts of 1942, chapter 6, or any other provision of law.

    Every practice blackout or air raid warning or alarm held pursuant to the provisions of
this order shall be deemed to be an authorized blackout or air raid warning or alarm.

    The provisions of Executive Order No. 3, issued by me as Governor of this Common-
wealth on January 8, 1942, shall be applicable in all respects to blackouts or air raid warnings
or alarms conducted or ordered to be conducted under authority of this order.

GIVEN at the Executive Chamber in Boston, this thirty-first day of 
March, in the year of our Lord one thousand nine hundred and forty-
two, and of the Independence of the United States of America, the one
hundred and sixty-sixth.

By His Excellency the Governor,
LEVERETT SALTONSTALL

FREDERIC W. COOK,
Secretary of the Commonwealth

GOD SAVE THE COMMONWEALTH OF MASSACHUSETTS