As soon as possible.

yep

Since I play with 'historical' weather I'll have four weeks of clear weather in March, followed by a month of mud in April. I'm currently thinking about conducting another limited offensive in the Vyzhnyvolochek-Kalinin area, code name Landsknecht. Target would be the Red Army concentration in the Torzhok area. And maybe another in the Stalino area.After that I'll have to wait out the Rasputitsa, because offensive operations are basically a no-go in the mud. During that time I would then transfer quite a few Panzerdivisions (in fact, all of Panzergruppe Guderian)south in preparation for the major offensive towards Stalingrad. So, I got 8 weeks to conduct a limited offensive or two and further rebuild my mobile forces.

"...late afternoon the Air Tasking Order came in [and] we found the A-10 part and we said, "We are going where!? We are doing what!?"

Capt. Todd Sheehy, Hog pilot, on receiving orders during Operation Desert Storm