The Dutch UN peacekeepers are wearing American gear, like PASGT vests, PASGT helmets, and M81 BDUs.
If Krycek has a working vaccine from the Russians, it is unclear why he would bargain for what information the Syndicate has on a working vaccine. The Syndicate in fact did not have a working vaccine as evidenced in The Red and the Black (1998). It is Krychek who provides the Well-Manicured Man with the working vaccine which is then given to Mulder to cure Scully in The X Files (1998).