I have the 1998 issues available:

• January - December 1997/January 1998 -  The Cold War Is Not Over, Three Years in Tibet: Secrets, C-130s, The CIA 
• March -  February / March 1998 - NASA Dream Team, Catch a Hop on a WWII Bomber (cover is torn and dog-earred)
• May -  April / May 1998 - Russia's Mi-24 Hind, Midway II, Avro CF-105
• July - June / July 1998 - Disney's Armageddon, How the F-22 Will Rule the Skies
• Sept - August / September 1998 - Chipmunk, Cosmonaut Landings, Why Gemini Was the Astronaut's Favorite Ride
• Nov - October / November 1998 - Osprey Alert, How the Ravens Fought a Secret War in Laos