Yahagi
Yahagi was the second of the four vessels completed in the Agano-class of light cruisers, and like other vessels of her class, she was intended for use as the flagship of a destroyer flotilla. Larger than previous light cruisers, the Agano-class vessels were fast, but with little protection, and were under-gunned for their size:
6 x 15 cm/50 Type 41 guns (3x2)
4 x 80 mm/65 Type 98 guns (2x2)
varying amount of 25 mm/60 Type 96 AA guns
8 x 610 mm torpedo tubes (4x2)
The Yahagi underwent several upgrades where mainly the 25 mm anti-aircraft weaponry was increased. In FHSW 0.5 will be three versions of the Yahagi available: 1943, 1944 and 1945. The latter has an impressive amount of 25 mm guns as shown in the following pics.
The Yahagi took part in many battles and was lucky because she often fought her way through them without any damage.
On 6 April 1945 though the Yahagi was ordered to accompany Yamato from Tokushima for its final suicide mission against the American fleet. In this battle she was sunk by several torpedos and bombs and took 445 crewmen with her.
Ōyodo
The Ōyodo design was approved in 1939 as an enlarged and improved version of the Agano-class. It was designed to be the flagship for attack groups of submarines. Initially, plans were made for eight vessels in the class. However, only two ships were actually authorised, of which only one, Ōyodo, was laid down.
Although the same general hull design as for the Agano was adopted, the armour protection was reduced and the armament differed both in layout and weaponry:
6 × 155 mm/60 3rd Year Type guns (2x3)
8 × 100 mm/65 Type 98 AA guns (4x2)
18 × 25 mm/60 Type 96 AA guns
The Ōyodo-class ships were intended to be scouting cruisers and hence the entire deck of the ship aft of the superstructure was devoted to aircraft facilities including a heavy-duty 45 m catapult.
In 1944 this catapult was exchanged for the shorter (18 m) standard type and the hangar converted to accommodate Fleet Headquarters staff. During this refit several 25 mm AA guns were added. This variant is also included in FHSW 0.5!
Source: FHSW dev blog
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