Key Points - Russia's Delta IV-class (Project 667BDRM Delfin) nuclear ballistic missile submarines (SSBNs), introduced in the 1980s, remain the backbone of its sea-based nuclear deterrent. -These ...

The final United Launch Alliance (ULA) Delta IV Heavy rocket carrying the NROL-70 mission for the National Reconnaissance Office (NRO) lifts off from Space Launch Complex-37 on April 9 at 12:53 p.m.

U.S. Air Force officials are confident that the RL10B-2 upper-stage engine for the Delta IV rocket, which has been grounded since an anomaly last fall, will perform nominally in boosting the fifth ...

One of the global leaders in submarine production, the Soviet Union is responsible for many of the best and most innovative submarine classes in maritime history. The Russian Federation has... The ...

The first of two Environmental Impact Statements around SpaceX plans for Starship launch sites on the Space Coast was released last week, and it lays out the company’s plans to fly as many as 76 times ...

Delta IV-Class Submarine – The Ultimate Guide: For over five decades, the Delta-class submarines have remained an integral part of the Soviet and Russian strategic submarine fleet. Their mission was ...