Call of Duty 4: Modern Warfare focuses on the progression of warfare as a contemporary infantry soldier; presenting the player with a vast number of different combat scenarios unseen in prior Call of Duty titles. It strays from the constant assaults, interspersing high-intensity fire fights with slower-paced drama and suspenseful clandestine action. The series' move to modern warfare introduces a variety of new weapons and technology to the Call of Duty franchise. Such showcased equipment includes the M203 grenade launcher, M4A1 carbine, the AN/ PEQ-2 Target Pointer for use in conjunction with night vision goggles, the MP5SD submachine gun, and the FGM-148 Javelin portable anti-tank guided missile, among many others.