Attacking Level 5 NPC City

Hitting level 5 NPC city min loss
min:lev9 ballistics
4k AV
2k SPG
2k Rockets
This will just get you the win with min loss, but the more AV you can send the better.you must follow this to a tee, or you WILL lose rockets.
round 0: hold troops back(action:standby)
round 1: hold troops back(action:standby)
round 2: hold troops back(action:standby)
round 3: send AV forward, rockets and SPG hold back(action:standby)
round 4: retreat AV
round 5: send rockets forward, SPG and AV hold back
round 6: change nothing
round 7: all over, you have wonlook at your rounds and ONLY do what i have said in the correct round you should have lost only 200-300 AV