BattleTech Manual: The Rules of Warfare

From the back cover:

"As dawn broke over the battlefield...

The helicopters roared over the hill, skimming the tops of friendly 'Mech antennae. Aerospace Fighters carrying heavy bomb loads hunted for the enemy airbase. At 1500 hours, the main 'Mech force moved out. The motorized infantry had pulled out about three hours earlier, and the tanks, both tracked and hover had left an hour ago. At 2000 hours, the hydrofoil assault force skirted the enemy's rear echelon and called for support from the artillery fire base. The battle was joined.

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