(a) Backup capability
The Under Secretary shall acquire backup for the capabilities of the WP–3D Orion and G–IV hurricane aircraft of the National Oceanic and Atmospheric Administration that is sufficient to prevent a single point of failure.

(b) Authority to enter agreements
In order to carry out subsection (a), the Under Secretary shall negotiate and enter into 1 or more agreements or contracts, to the extent practicable and necessary, with governmental and non-governmental entities.

(c) Future technology
The Under Secretary shall continue the development of Airborne Phased Array Radar under the United States Weather Research Program.

(d) Authorization of appropriations
For each of fiscal years 2017 through 2020, support for implementing subsections (a) and (b) is authorized out of funds appropriated to the Office of Marine and Aviation Operations.