Until August http://eporner.in.net/ eporner.com "If suddenly we were to say, you are not sending those F-16s or those M1A1 kits, then the question arises what's going to happen to them. If nothing else can be found to be done with them, then the U.S. government would be liable to be sued by the manufacturers ... The estimated outstanding amounts are somewhere between $2.3 billion and $3.5 billion," Springborg said.