If you are referring to COD4, Call of Duty 4 : Modern Warfare, the gametype Domination is like capture the flag but they are stationary. The game Sabotage is more like assault, and there is not really a set CTF type. As for Call of Duty Modern Warfare 2, nothing has been announced yet.
It was revealed in a gameplay video that Modern Warfare will have a Capture the Flag game mode for multiplayer
A capture Card
You get it all at a certain level
Try using a capture card, for HD quality, use an HDPVR.
Modern warfare reflex and modern warfare are the same. Modern warfare "reflex" means that its for wii. If its just modern warfare its for the other consoles
Go to Headquarters use a riot shield and capture the HQ
Modern Warfare Mobilized(the DS port of Modern Warfare 1) & Modern Warfare 3.
A website that will answer this is:callofduty.wikia.com/wiki/Callsignsit helps alot
You will need to buy a capture card for game recording.
No it is called Modern Warfare Reflex which basically regular Modern Warfare
Modern warfare 3 is better
add points for capturing a flag, and if no flags are contested, each team with one flag gets 1 point a second.