The B-2 Spirit aircraft began as a black project identified as High Altitude Penetrating Bomber. Then it became the Advanced Technology Bomber, utilizing the code Senior Cejay. Afterwards, it became the B-2 Spirit. In 1980’s, 23 billion dollars were spent secretly for studies and advancement of the aircraft. In 1985, the aircraft became a low altitude bomber from a high altitude bomber, which they spent an extra cost for.

The B-2 was in service in three operations. Its first appearance was in the Kosovo War in 1999. It first brought the satellite guided JDAM in operations. Because of that, it was used in Operation Enduring Freedom in Afghanistan and in Operation Iraqi Freedom. The B-2 is extremely computerized. And unlike those single seat fighter aircrafts, a crew can sleep inside a B-2, set his meals or use a toilet.

The B-2 Spirit is a stealth heavy bomber and has the ability of organizing both nuclear and conventional armaments. It is privately operated by the United States Air Force. Its advancement was a highlight in the upgrading program of the United States Department of Defense. The B-2 aircrafts 2nd generation stealth technology was to assist the aircraft's penetration function to go on tremendous anti-aircraft protection.