August 1, 1994

August 1, 1994

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COVER STORY

Early Antenna Tests Use Full-Scale F-22

By DAVID HUGHES10 min

HEADLINE NEWS

Northrop Sees Astovl as Inroad to Jast

By JOHN D. MORROCCO7 min

HEADLINE NEWS

Huge Storm Flashes Baffle Scientists

By JAMES R. ASKER,WILLIAM B. SCOTT4 min

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4041
COVER STORY

Early Antenna Tests Use Full-Scale F-22

Rome Laboratory engineers are subjecting the F-22's advanced antennas, including phased arrays, to an unprecedented level of testing early in the program

By DAVID HUGHES10 min

2627
HEADLINE NEWS

Northrop Sees Astovl as Inroad to Jast

WASHINGTON Northrop Grumman has joined ARPA's Common Affordable Lightweight Fighter program with an eye to improving its chances of being on one of the two contracting teams expected to emerge from the Pentagon's Joint Advanced Strike Technology effort.

By JOHN D. MORROCCO7 min

3031
HEADLINE NEWS

Huge Storm Flashes Baffle Scientists

WASHINGTON Spectacular, massive flashes of light high above thunderstorms have been recorded in color video and from two vantage points for the first time. The new data, showing flashes reaching as high as 60 mi., are sparking a flurry of scientific interest and concern about the implications of the poorly understood phenomenon for high-altitude operations of research and military aircraft.

By JAMES R. ASKER,WILLIAM B. SCOTT4 min

6667
HEADLINE NEWS

Readiness Panel Warns of Future Dangers

WASHINGTON The Pentagon has begun implementing many of the recommendations of an independent Readiness Task Force, which found the current situation is "acceptable" but uncovered "pockets" of problem areas that raise concerns for the future.

By JOHN D. MORROCCO4 min

6869
HEADLINE NEWS

Lockheed Completes LLV Mockup Stacking

By MICHAEL A. DORNHEIM3 min

6869
HEADLINE NEWS

Satellites Recovered

6869
HEADLINE NEWS

Jupiter Comet Data Sparks Questions

GODDARD SPACE FLIGHT CENTER_ Scientists are perplexed by the failure to discover water in the collision of comet Shoemaker-Levy 9 and Jupiter, both of which were thought to contain the compound. "We may have found something that is between an asteroid and a comet," astronomer Melissa McGrath of the Space Telescope Science Institute in Baltimore, said.
4849
COVER STORY

F-22 Tests Use Scale Model

BOSTON Lockheed Sanders has been measuring F-22 antenna performance for two years using scale models of the low-observable supersonic fighter in the company's indoor ranges in New Hampshire. Some of the tests have occurred in a 20 X 20 X 20-ft. anechoic chamber in Merrimack, N.H. (below), which is lined with radar absorbing material.
5051
FARNBOROUGH AIR SHOW PREVIEW

Farnborough Bywords: Stay Trim, Be Frugal

PAUL MANN The heyday of the lavish chalet is gone. Increasingly, the chalet itself is gone. Meet the new economy version of Britain's Farnborough and the world's air show circuit. Affluence is out, thriftiness is in. Shows are becoming shorter, delegations slimmer, chalets fewer and smaller.
5253
FARNBOROUGH AIR SHOW PREVIEW

Many Firms to Vie for Key Contracts

LONDON Despite continuing pressure on both civil and military aerospace company spending, most of the world's major manufacturers will be represented at this year's Farnborough air show. Deutsche Aerospace is a significant absentee, but the German aerospace giant also declined to participate in its homegrown German Aerospace Industries Assn.

By CAROLE A. SHIFRIN7 min

July 251994 August 81994