Bibliografía: al final de cada artículo Notas: al pie de texto RETURN TO MARS Mars - a big bounce back / Bruce A Smith. p.26 Rocver outing yields clues to Mars crust. p.33 Airbags provide option for high - risk landings / Bruce A Smith. p.34 Airbag passes test on Mars / Michael A Dornhein. p.36 HEADLINE NEWS NATO keeps door open as in expands eastward / John D Morrocco. p.37 Clinton, Senate duel over NATO expansion / Paul Mann. p.38 Mir repair to yield only partial power / Craig Covault and Nikolay Novichkov. p.39 U.S. plays out merger endgame / Anthony Velocci. p.63 Acquisition would create formidable EW giant / Phillip J Klass. p.65 Europe ups ante over Boeing merger / Pierre Sparaco. p.66 AIR TRANSPORT NTBS faults pilots for Illinois airport collision / Edward H Phillips. p.41 CRUISE MISSILE DEFENCE Cruise missile threat spurs Pentagon research / David A Fulghum. p.44 Stealth, cheap technology defence schemes / David A Fulghum. p.47 BMDO links ballistic, cruise missile defence / David A Fulghum. p.50 Classified projets drive defence schemes / David A Fulghum. p.51 War games to include cruise missilñe threats / William B Scott. p.54 Matra BAe, DASA to team on missile / Michael A Taverna. p.57 FUEL TANK EXPLOSIONS, PART 2 Accidents drive NTBS push for new rules / Michael A Dornheim. p.58. Airline industry takes fresh look at inerting / Michael A Dornheim. p.60 Industry seeking single response to NTBS proponsals / Michael A Dornheim. p.61 INTERNATIONAL PRODUCT NEWS Industru changes spur award - winning innovations / Michael O Lavitt. p.68 WIDE range of products and technologies win awards. p.70 Emerging technologies to watch. p.72 16 judges select TIA winners. p.73