Read about the equipment they sent to Saddam immediately before the invasion here:
http://www.foxnews.com/story/0,2933,82018,00.html
Some of us have even longer memories than yours, such as the Russians upgrading and resupplying Iraqi SAM sites throughout the 90's. Keep in mind they were shooting at US aircraft on a near weekly basis. Remember Putin is exKGB and antiwestern in his nature.
I guess your memory deleted the part where Ukraine was implicated with said arms sales.