The ST-04 'Icarus'

is a mid-range multirole fighter-bomber equipped with the finest
targeting technologies, navigation systems.

The first prototype was designed for weapon and missile testing, so the jet is able to carry multiple payloads
and air-to ground missiles, Even the really big ones.
Despite the heavy payload, the aircraft is still nimble and fast.
The Icarus is eqvipped with two Takicraft QB-1H 'starboy' engines.
They are designed for high-altitude flying, and great thrust so the Icarus can be in the enemy airspace in no time.

Standard payload: 
Brute B1- heavy cannon
B50 bombs
DC-12 Cluster-buster Cluster bombs
Cleaver-S Anti ship missile
Interceptor and Guardian Air to air missiles
H.E.A.F. standard drop tank
Ilferno Air to ground missiles

DC-12 Cluster bomb instructions:

Press AG2 to release them, and press AG4 to activate the bomblets.
What did you excepted? Its not quantum physics!

Other functions:

AG1: Activate weapon system
AG3: Activate Anti ship missile
AG5: Emergency drop (shoot everything)
AG6: Release Droptanks
AG7: Deploy parachutes