[Frustrated with PS2]

i was wrong about which number the mission is, but its the one with the 3 islands in the swamp.

[Frustrated with PS2]

i need some help, i can't capture the officer on mission 5 to unlock Henkel, no matter what i try he just starts shooting me, whats up with that? also are the unlockable weapons available for single player use? I complete the objectives on the appropriate difficulty levels but can only use the weapons in multiplayer. this stinks when 99% of my GR playing time is in single player. help would be greatly appreciated.