March 5. U.S. accuses China of stealing nuclear secrets. March 6. Cosmonaut Sergey Vladimirovich Chelomei dies at age of 46. March 10. Cosmonaut Valeri Vasilyevich Illarianov dies at age of 59. March 12. Czech Republic, Poland, and Hungary join NATO.   March 24. NATO launches air strikes on Serbia.  June 18. Cosmonaut Aleksandr Nikolayevich Matinchenko dies at age of 71.  August 18. "Kosmos-2365" high resolution photo reconnaissance satellite; returned film in two small SpK capsules during the mission and with the main capsule at completion of the mission. Landed in Russia on December 15, 1999. August 26. "Kosmos-2366" navigation satellite of the Ministry of Defense of the Russian Federation. September 9. "Foton 12" carried European microgravity experiments. The spacecraft's descent module landed on Russian territory at 52.47 deg N 53.83 deg E on September 24, 1999. September 28. "Resurs-F1M" remote sensing film satellite was launched. Recovered in Russia on October 22, 1999. November 28. Cosmonaut Yuri Vassilyevich Malyshev dies at age of 58. December 9. A second contingent of "Topol-M" missiles went into service at Tatishchevo in Saratov Oblast. December 14. In the presence of Prime Minister Vladimir Putin, Defense Minister Igor Sergeev, and commander of the Strategic Rocket Forces Vladimir Yakovlev, a "Topol-M" missile was launched from the Plesetsk test site, in Arkhangelsk Oblast and successfully hitting its target on the Kamchatka peninsula, Interfax reported. The news agency quoted military officials as saying this was the ninth test of the ballistic missile.