# Aerospace and defence and Ship propulsion

Aerospace and defence depends on ship propulsion.

Source page: https://www.materialinsights.org/links/aerospace-and-defence-and-ship-propulsion/

[Aerospace and defence](https://www.materialinsights.org/industries/aerospace_defence/) (industry) and [Ship propulsion](https://www.materialinsights.org/energy/e_marine/) (energy): 1 relationship.

## How they are linked

### 1. Industry input

*Physical flow · Criticality 4 of 5 · Ship propulsion → Aerospace and defence*

1 of the enterprise types in Aerospace and defence depend on ship propulsion; for the most dependent, it rates 4 out of 5 on criticality.

- **1** enterprise types depend on it
- **4 of 5** highest criticality

Enterprise types that depend on it:

- Defence prime contractors and shipyards: naval propulsion (criticality 4 of 5)

Built from the site data on production routes, energy flows, industry value chains, input-output tables and prices.