BY ANDREA AGARDY, TULLAHOMA NEWS STAFF WRITER Two weeks after announcing that the sequester will force Aerospace Testing Alliance (ATA) to cut 128 jobs at AEDC, base officials announced yesterday that the impact of the reduction in federal funding will be even more severe than previously anticipated. In a statement released late last week, Col. Raymond G. Toth announced that 207 ATA employees would be released from their positions