WASHINGTON (Reuters) - U.S. President Joe Biden will travel to Alabama on Tuesday to visit a Lockheed Martin Corp facility that is manufacturing weapons being provided to Ukraine, including Javelin anti-tank missiles, the White House said on Wednesday.

       Washington says it has pledged around $3.7 billion in security assistance to Ukraine since Russia launched its invasion on Feb. 24. Together with its European allies, Washington has provided Ukraine with drones, Howitzer heavy artillery, anti-aircraft Stinger and Javelin missiles.

       Lockheed Martin, the No. 1 U.S. weapons maker, said the Ukraine war has boosted demand for missile defense systems. The company developed and produces the Javelin anti-tank missiles together with U.S. weapons maker Raytheon Technologies.

       In a statement announcing Biden's May 3 visit to the Lockheed facility in Alabama, the White House said Ukraine was using weapons manufactured there "effectively to defend against the Russian invasion."

       (Reporting by Rami Ayyub; Editing by Bill Berkrot)