Evening star., 1921-07-24
New Rules for AssiEnment.

match Tuesday, therefore. should prove
most interesting.
New Rules for Assignment.
Chiefs of branches and bureaus are
directed by the Secretary of War that
hereafter in the assignment of their
commissioned personnel they will sre
that no officer Of any grade who has
had a change of station within two
years will for the present be moved
without the approval Of the chief of
stan. No officer who is due for for
eign service will be recommended for
change of service within a year before
being ordered abroad. In referring re-
quests for orders for officers involving
change of stations the adjutant general
nent change of station Of the officer
concerned
Mammoth Aerial Bombs.
An aerial bomb to weigh 1000
pounds Is being designed by the ord
nance department. 1t is to contain
more than SO per cent Of INT, and
VII! be on eof the most deadly
of bombs known in modern warfare.
Up to the present time the largest
bombs designed and constructed
weigh 1000 pounds. The new bombs
weighing 1000 pounds. are to be used
IN connection with the largest bomb
ing airplaneS, and when finished will
be turned over for experimental pur-
poses to the officers at the Aberdeen
proving grounds.
Speedy Artillery Carriages.
Two new types of self-propelled
gun carriages of the caterpillar de.
sign have just been completed under
the direction of the ordnance de-
partment. The smaller gun mounts
interchangeably either the IS MN.
or los MIN. howitzer, the larger type
either the 155 MN. gun or 8-inch
howitzer of the models of 1920. One
type each of carriage is en- route to
the Aberdeen proving grounds for
hnal proof ffrings and maneuvering
tests. The smaller carriage driven by
a 75-horsepower eight-cylinder vehi-
Gle. obtains maximum speed of
thirty miles an hour. the highest
speed yet obtained by a caterpillar
vehicle: The larger carriage, weigh
ing. with mount. about twenty-five
tons, will have a maximum speed of
fifteen. miles an hour.
Air Service.
The largest airdrome in Holland
has been established at Rotterdam n
yards wide and, being fiat and open,
Is well suited to the requirements of
aircraft. Offices have been put up
and premises for customs. wireless,
meteorological observation, a res
taurant and a tower for illumination
by night are either in existence or
projected.
A feather-weight raft for use in
the event of a forced descent on the
water has been devised for cross
channel air expresses. The apparatus
comprises two cylinders Of COM
pressed air, which. when the valves
are turned. initiate in thirty seconds
two floats and enable the raft,
though its total weight is only fifty
six pounds, to support as many as
four people. The raft can be slowed
along the top OF an airplane fusilaRe.
Chemical Warfare Graduates.
twenty-five student officers, includ-
ing three lieutenant commanders of
the Navy and three officers Of, the
graduating class at the chemical war.
fare school at Edgewood. Nd Six
teen officers received training fitting
them to be corps or division chemical
warfare officers or company com.
manders of gas troops. OF these
several have been recently trans
ferred from, other branches. and so
fer the first time have come into in
innate contact with the technical de-
tails in which the chemical warfare
service differs from the other arms.
Passing Notes. 80
Existing instructions requiring sub
to the chief of staff for dna4