During the Bordello mission in "Ressisstance, " after you kill the Major General there is a chair by an open window. Press the L3 button to jump into the chair and out the window.
Cat Eyes Level
On the cat eyes level there is no need to try and take out everyone.
After you have started with the SPY, sabotage the bridge but you
must hurry to acquire the only officer's uniform that will arrive
shortly after, and walk into the comms station to gain control of it.