Bővebb ismertető
(Overleaf) An advanced space
weapons system in low Earth orbit
intercepts a volley of intercontinental
ballistic missiles in mid-trajectory with
a focused beam of neutral hydrogen.
In the background one of a fleet of
killer satellites closes with a second
particle beam weapon and explodes,
incapacitating its target with a shower
of metal fragments.
It is late 1981. A U.S. space shuttle orbiter maneuvers into position 250 km
(150 mi) above the Earth. Its crew listens intently as a low mechanical whine
confirms the opening of the shuttle's white clamshell payload bay doors to
the blue-black vacuum of space. Then, like the leg of a giant insect, the
slender remote manipulator arm of the orbiter extracts an ungainly piece of
cargo called Teal Ruby from the bay and releases it in orbit. A real-life drama
of the near future, this action will signal the first military application of the
shuttle transport system. Teal Ruby is a prototype satellite designed for low
Earth orbit to detect infrared radiation emitted by the engines of strategic
bombers and other aircraft flying within the Earth's atmosphere.
First mission-oriented flights with the shuttle will be nonmilitary and will
begin in 1980. Running as many as 60 flights per year, this space workhorse
not only will be capable of lofting 30,000-kg (65,000-lb) payloads into orbit
but also will be able to return with as much as 14,500 kg, enabling satellite
recovery in space for repair, refurbishing, and reuse. Eventually the stubby
delta-wing orbiter will become the cornerstone for a U.S. space defense
effort in the face of growing threats to its spacecraft from Soviet weapons.
The space shuttle is also the mechanism that will enable the U.S. Air Force
and Army to take advantage of technological revolutions in the areas of
electronic sensing, onboard computing, and exotic weaponry capable of
destroying enemy spacecraft and intercontinental ballistic missiles (icbm's).
When coupled with a laser communications system now being tested, such
technology will move the U.S. to the threshold of an adventure in space as
imaginative as the Apollo flights to the Moon were a decade ago. The shuttle
system will replace today's single-use, expensive launch vehicles to position
satellites in low Earth orbit routinely for communications, timely high-resolu-
tion reconnaissance, and electronic eavesdropping and to park early warn-
ing spacecraft and defensive space weapons for boosting to more distant
orbits. To meet these growing needs, the Air Force is planning to establish
a major new Space Command and expects to begin a military man-in-space
program in the 1990s.
CLARENCE A. ROBINSON, JR., is
Senior Military Editor for Aviation
Week & Space Technology magazine,
Washington, D.C.
Illustrations by John Youssi
Importance for peace
During the past decade the U.S. and the U.S.S.R. have so increased their
dependence on military satellites in space that such devices are now the first
line of defense. They act as the eyes and ears of the two nations to assure
adherence to strategic arms limitation treaties limiting the development,
testing, and deployment of nuclear weapons. Without these satellites, re-
ferred to euphemistically as "national technical means of verification," there
could be no agreement on limiting strategic nuclear weapons. Without
reconnaissance spacecraft each superpower would be virtually deaf and
blind to the other's military preparations. Early warning satellites provide an
alert for a nuclear attack and the necessary time to trigger a return strike to
assure mutual destruction. It is upon this tenet that world peace now rests:
either side will inflict unacceptable damage on the other regardless of which
possesses the advantage of surprise.
In 1978 U.S. Pres. Jimmy Carter signed a directive to guide the conduct
of U.S. activities in and related to space programs. He confirmed that the