help what is this on my 94 crown vic engine?
 

Help I have a 94 ford crown victoria lx, 164k miles on it, and found this behind the intake right under the EGR Vacuum Control Solenoid, and I am clueless as to what is missing, or what this part is? I'm not very good at mechanical issues, its the part with the blue gasket... I'm guessing its a gasket lol
https://cimg0.ibsrv.net/gimg/www.for...54efd05a1d.jpg
https://cimg9.ibsrv.net/gimg/www.for...746a522746.jpg
and have only begun to learn the basics around a year ago, thank you for any help it would be greatly appreciated