January 16, 2004 Allard Beutel Headquarters, Washington (Phone: 202/358-4769) Paul Foerman Stennis Space Center, Miss. (Phone: 228/688-3341) June Malone Marshall Space Flight Center, Huntsville, Ala. (Phone: 256/544-0034) NOTE TO EDITORS: n04-007 T-PLUS ONE MILLION SECONDS AND COUNTING The media are invited to NASA's Stennis Space Center near Bay St. Louis, Miss. on Wednesday, Jan. 21 for a milestone event in the Space Shuttle Program, the one millionth second of Space Shuttle Main Engine (SSME) testing and flight operations. Engineers plan to test fire a Space Shuttle flight engine for 520 seconds at 4:30 p.m. EST, during which the one millionth second of firing will occur. The test SSME is scheduled for use on STS-121, the mission following the Space Shuttle's Return to Flight (STS-114). Media planning to attend should contact Marty Oramous at: 228/688-7842 by 4 p.m. EST Tuesday, Jan. 20 to arrange access. For more information about NASA's Return to Flight efforts, visit: http://www.nasa.gov -end-