The Chinook’s cockpit accommodates two pilots and ... Three machine guns can be mounted on the helicopter, two in the crew door on the starboard side and one window-mounted on the port side.

A single engine, four-bladed helicopter with advanced visionics, navigation, communication, and weapons and cockpit integration systems. The mast-mounted sight (MMS) houses a thermal imaging ...

You can find more info about the Apache's specifications here.

The Howitzer artillery cannon would be placed where the cockpit traditionally was located ... the Army went through on the howitzer-mounted helicopter likely factored into its successful ...