To unlock the Top Secret plane and "The Big One" weapon pack, just complete both the Pilot and Ace bonus objectives for the final mission (Mission 4.5-Final Count Down).
"The Big One" weapon pack is the fourth weapon pack for the Top Secret plane. This weapon pack, also, includes a nuclear armed cruise missile, the A-SLAMR. This weapon, however, does not recharge after being fired.
Unlockable
How to Unlock
The Big One (SR-71 Blackbird's fourth Weapon Pack)
Successfully complete the Ace bonus objective.
Top Secret plane (SR-71 Blackbird)
Successfully complete the Pilot bonus objective.
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Weapon Packs
Added on
2008-02-16 at 13:10:22
Complete the bonus objective in the indicated mission under the listed difficulty setting to unlock the corresponding aircraft.
Air Attack (for MiG-27 Flogger V2): Mission 1.1 under the Pilot difficulty. Circuit Breaker (for F-117 Nighthawk): Mission 2.2 under the Ace difficulty. Circuit Breaker (for F-22 Raptor V2): Mission 2.4 under the Ace difficulty. Cluster Bomber (for F-16 Falcon V2): Mission 1.3 under the Pilot difficulty. Long Ranger (for F-15 Eagle V2): Mission 2.1 under the Rookie difficulty. Multirole (for SU-27 Flanker V2): Mission 2.3 under the Ace difficulty. Multirole (for Mig-31 Foxhound V2): Mission 1.2 under the Rookie difficulty. Naval Fighter (for MiG-29 Fulcrum V3): Mission 2.4 under the Rookie difficulty. Rocket Attack (for MiG-29 Fulcrum V2): Mission 1.3 under the Rookie difficulty.
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Land the Plane
Added on
2008-02-16 at 13:07:59
When you are told you need to land your plane, make sure you look for some blue rings floating around close to where you need to land. Slow your plane down (by using your airbrakes) and fly through the blue rings. This will deploy your landing gear and you will then be able to land your plane successfully.
