Battlefield 3 features 5 rocket launchers, which are suited towards armored vehicles, against infantry and against aircraft. There are two main RPGs that each side starts out with, and another 3 can be unlocked by playing the Engineer class.
The RPG-7 was first introduced in 1961 and has been in service for more than 50 years, and has seen several conflicts, ranging from Vietnam to the gulf war. The RPG-7 is the starting rocket launcher for the Russian side in Battlefield 3.
The SMAW, or Shoulder-Launched Multipurpose Assault Weapon, is a mainly intended as an assault weapon designed to destroy enemy targets and cover. The SMAW is the starting rocket launcher for the US side in battlefield 3.
The FGM-148 Javelin is a US-made portable anti tank missile launcher that’s been in use since 1996 and can lock on a target. The Javelin is unlocked in Battlefield 3 by the engineer class.
FIM-92 Stinger is a portable anti-air missile launcher that was developed in 1970s, and entered service in 1981. The Stinger is unlocked by the US engineer class in Battlefield 3.
The SA-18 IGLA is the Russian counterpart to the Stinger missile, and operates in a similar way. The Igla is unlocked by the Russian engineer in Battlefield 3.
The Swedish-made AT4, first introduced in the early 1980s, and is today one of the most widely used light anti tank rocket launchers in the world. It’s used by the US Army as its main rocket launcher/anti tank weapon, and has been used in Panama, Iraq, and Afghanistan. Over 500,000 units have been produced to date. The AT4 appeared in Battlefield 2 and Bad Company 2, and is set to return in Battlefield 3.