The first production model of the AH-64A Apache was delivered to the United States military in 1984, making it 41 years old. It's expected to serve for 20 more.

The most recent and advanced Apache variant to come online is the AH-64E. Boeing’s “E” model of the Apache went under contract with the U.S. Army at the end of 2021.

“I would argue that the E-model [AH-64] Apache, in its current versions, the [version] 4 and the [version] 6, are also on the cusp of being capabilities where we don't necessarily see them ...

This delivery bolsters its attack capabilities with the final delivery of a fully modernized AH-64E Apache helicopter. This milestone completes the UK's AH-64E fleet upgrade, solidifying its ...