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December 13, 1999

HEADLINE NEWS

Mars Polar Lander Faced Many Perils

HEADLINE NEWS

Helios Success Fails to Quell Recon Discord

HEADLINE NEWS

F-15 Radar Upgrade Expands Target Set

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HEADLINE NEWS

Mars Polar Lander Faced Many Perils

Terrain, entry-descent-landing, clock timing, spacecraft pointing are among possible causes for MPL's silence

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HEADLINE NEWS

Helios Success Fails to Quell Recon Discord

KOUROU, FRENCH GUIANA While Europe’s surveillance capabilities have been bolstered by the recent launch of a second French Helios 1 satellite, European nations remain far apart in efforts to forge a space-based intelligence capability that would reduce their dependence on the U.S. This recon shortfall was seen as a major handicap in Europe’s contribution to the NATO cause during the Kosovo conflict.

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HEADLINE NEWS

F-15 Radar Upgrade Expands Target Set

WASHINGTON The U.S. Air Force has lifted the veil on a classified radar upgrade that is supposed to become operational on a small number of F-15Cs late next year. The main component in the radar program is an active electronically scanned array (AESA) that will provide much improved capability for the APG-63 radar in use on F-l5s.

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HEADLINE NEWS

NASDA Kills H-2 In Favor of H-2A

SAN FRANCISCO Japan’s National Space Development Agency has decided to take its losses by killing the H-2 launch program in favor of a newer design it hopes will prove less costly and risky. As a practical matter, NASDA’s decision will have little effect on its launch programs because there was only one H-2 launch still scheduled.

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HEADLINE NEWS

NASA Ponders New Path To Mars

Following the two lost Mars missions this year, key NASA and congressional officials agree that exploration of the planet and the faster-better-cheaper management approach must survive. However, they are still wrestling with what changes need to be made to ensure success.

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HEADLINE NEWS

Shuttle Delayed; Hubble Waits

Kennedy Space Center Space shuttle program managers late last week were assessing the replacement of a dented hydrogen line sleeve on the orbiter Discovery to determine whether its launch to the Hubble space telescope could proceed in mid-December or would be postponed until mid-January.
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HEADLINE NEWS

Euro Milsatcom Accord Inked

Kourou French defense officials hope a preliminary lease agreement with Germany for France’s new Syracuse III satellite will translate into full-fledged cooperation on next-generation military satcom systems. German Defense Minister Rudolf Scharping agreed at a Franco-German summit on Nov. 30 to study the lease of SHF transponders on two dedicated Syracuse III military communications satellites.

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HEADLINE NEWS

Inmarsat Oks Multimedia Sats

Paris Inmarsat plans to considerably expand and reinforce its personal multimedia communications network with a 144-432-Kbps. service offering significantly higher data rates than the 64-kbps. capability now available. The decision was driven by the organization’s growing reliance on data traffic and reflects a general surge in demand for high-speed Internet, e-business and other broadband connection services (AW&ST Nov. 8, p. 96).
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21ST CENTURY LAUNCH VEHICLES

EELV Competitors Seek to Achieve Performance Goals

HUNTINGTON BEACH, CALIF. LITTLETON, COLO. The two competitors in the U.S. Air Forces Evolved Expendable Launch Vehicle (EELV) program have developed boosters aimed at achieving a delicate balance among cost, performance and system reliability that will be required to meet future government and commercial launch requirements.

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21ST CENTURY LAUNCH VEHICLES

Upgrades Aim to Keep Ariane 5 Competitive

PARIS and KOUROU, FRENCH GUIANA European space officials are implementing a broad range of measures intended to ensure that the new Ariane 5 launcher remains competitive with other new heavylift boosters that will appear in the next decade.

December 61999 December 201999